Accurate Testing with Labthink’s OTR Testers

Labthink’s OTR testers are engineered to provide unmatched accuracy when measuring the oxygen transmission rate of various materials. Utilizing Coulometric Oxygen Sensors, our OTR testers can detect even the lowest levels of oxygen permeation, providing precise results that traditional methods often miss. This highly sensitive technology enables businesses to ensure their products maintain the desired quality and safety by preventing oxygen from compromising the integrity of sensitive goods like food and pharmaceuticals. With Labthink, you can rely on our oxygen permeation measurement system to provide consistent and repeatable results every time.

Versatility in Testing Across Industries

Labthink’s oxygen permeation measurement system is not just versatile in terms of its testing capabilities, but it also serves a wide range of industries. From food packaging to medical devices and electronics, our OTR testers are designed to meet the specific needs of your sector. The C403H model, for instance, can perform both Oxygen and Water Vapor Transmission Rate (WVTR) tests in a single, efficient setup. This flexibility allows businesses to customize their testing protocols and ensure that their products are optimized for performance in a variety of environments, from high moisture to low oxygen conditions.

High Efficiency and Intelligent Operations

At Labthink, we understand that efficiency and ease of use are paramount in today’s fast-paced business environment. That’s why our OTR testers, such as the C403H model, come equipped with advanced automation features. With the ability to test up to three samples simultaneously, our oxygen permeation measurement system increases throughput and reduces testing time. The user-friendly interface ensures seamless operation, allowing technicians to run tests with minimal manual intervention. Additionally, automated sample clamping and real-time data monitoring ensure accurate results with every test, making Labthink’s OTR testers a smart investment for any business focused on improving testing efficiency.

Compliance with Global Standards

Labthink’s OTR testers are built to meet the highest international standards, including ASTM D3985, ASTM F1249, and ISO 15106-2. Our oxygen permeation measurement system ensures that businesses remain compliant with regulations and industry best practices. By using Labthink, companies can confidently conduct permeability testing knowing that their results are accurate, reliable, and in line with global testing requirements. With Labthink, you can trust that your testing systems are always up to date with the latest industry standards.

Conclusion: Trust Labthink for Your OTR Testing Needs

For over three decades, Labthink has been a leader in oxygen permeability testing. Our OTR testers and oxygen permeation measurement systems are designed to provide the highest accuracy, versatility, and efficiency for a wide range of applications. With Labthink, you can ensure that your products meet the necessary standards for oxygen transmission, ultimately leading to better product quality and consumer satisfaction. Let us help you achieve the best in packaging and product integrity testing.

Advanced Testing Technology in Quality Control

At Labthink, we understand that accurate testing is the backbone of quality control. As a premier testing instruments supplier, we offer cutting-edge technology that ensures precise, reliable results. Our equipment is designed to assess the mechanical, thermal, and barrier properties of packaging materials, giving you data you can trust. This advanced technology not only helps in identifying potential weaknesses in materials but also allows you to simulate real-world conditions, ensuring the safety and functionality of your packaging.

With Labthink’s material testing lab equipment, manufacturers can identify critical parameters such as tensile strength, burst resistance, and moisture permeability. This level of precision is essential for companies striving to maintain the highest standards of packaging safety and performance.

Expert Technicians and Reliable Services

Behind every accurate test result, there is a team of skilled professionals. Labthink’s team of expert technicians brings years of experience in testing and analyzing packaging materials. As a trusted material testing lab equipments supplier, we pride ourselves not only on our top-tier instruments but also on the expertise of our staff who ensure that all tests are conducted thoroughly and impartially.

Our lab technicians work closely with clients to tailor testing protocols to specific material needs, ensuring that every product passes quality control measures. Their attention to detail and commitment to precision help manufacturers avoid costly packaging failures and ensure the safety of their products.

Commitment to Standards and Research

Labthink is more than just a testing instruments supplier—we are also a leader in promoting industry standards. With our CNAS (China National Accreditation Service for Conformity Assessment) accreditation, we uphold the highest levels of testing accuracy and reliability. This accreditation ensures that all our testing processes meet international quality standards, providing you with confidence in every result.

Moreover, Labthink actively participates in national and international research projects, contributing to the development of new testing standards and technologies. By staying at the forefront of industry innovations, we ensure that our clients always have access to the latest testing methodologies, enabling them to maintain competitive advantage in their respective markets.

Conclusion: Trust Labthink for Quality Control Solutions

As a premier testing instruments supplier and material testing lab equipments supplier, Labthink is dedicated to helping businesses maintain the highest quality standards in packaging. With our advanced testing technology, expert technicians, and commitment to global standards, we are the ideal partner for companies aiming to ensure the safety and reliability of their products. Choose Labthink today for all your testing needs and experience the difference of precision and quality.

High-Precision and Repeatability with Labthink’s Testing Technology

Labthink’s OTR testing equipment is renowned for its high-precision and repeatability, which is essential for industries where even the smallest variance in oxygen permeability can compromise product quality. Utilizing Coulometric Oxygen Sensors, Labthink’s system ensures accurate low-level testing with exceptional sensitivity, making it ideal for high-barrier materials and complex packaging designs. Additionally, the inclusion of Labthink’s infrared moisture sensor enhances the OTR rate measurement, providing more reliable data by compensating for moisture effects during testing. This combination of technologies guarantees consistent, reproducible results, helping businesses maintain stringent quality control.

Optimized Efficiency with Automated Testing Features

Efficiency is a key consideration in any testing process, and Labthink’s OTR testing equipment excels in this area. The system features a three-cell setup that enables the simultaneous testing of multiple samples under controlled conditions. This automated testing feature significantly reduces testing time while increasing throughput. Automatic sample clamping further enhances the efficiency of the process by ensuring secure, consistent testing conditions. By automating these critical tasks, Labthink’s equipment helps businesses streamline their operations and reduce labor costs, all while improving the accuracy and reliability of OTR rate results.

Smart, User-Friendly Interface and Data Management

Labthink understands that ease of use is paramount for busy professionals, which is why its OTR testing equipment is equipped with an intuitive 12-inch touch panel. The system’s smart interface simplifies operation, allowing users to easily set parameters, monitor progress, and review results in real-time. Furthermore, Labthink’s advanced data management tools, including DataShield™, ensure the integrity and traceability of results. This robust data management system allows businesses to track and analyze OTR rate data effectively, ensuring compliance with industry standards and enhancing decision-making processes.

Conclusion

Labthink’s OTR testing equipment is a game-changer for businesses seeking to improve packaging quality. With high-precision testing, automated features, and user-friendly interfaces, Labthink helps companies ensure that their packaging meets the highest standards for oxygen barrier performance. By optimizing the OTR rate, businesses can enhance product quality, extend shelf life, and ultimately improve customer satisfaction.

High-Precision Testing with Advanced OTR Sensors

Labthink’s OTR testing equipment is equipped with cutting-edge Coulometric oxygen sensors, designed to provide highly accurate OTR measurements. Capable of detecting oxygen at the ppb (parts per billion) level, these advanced sensors ensure precision in testing various packaging materials, ranging from food films to medical containers. The high sensitivity of these sensors enables businesses to obtain reliable and reproducible results for even the most challenging packaging materials.

The longevity and stability of the sensors also mean businesses can perform long-term testing with minimal need for recalibration. Labthink’s OTR testing equipment offers the ideal solution for companies looking for accuracy and reliability in their OTR testing processes.

Versatility in Testing with Dual-Function Test Cells

Labthink’s OTR testing equipment offers remarkable versatility, featuring a patented dual-function test cell. This design allows businesses to test both films and containers under the same controlled conditions, making it an excellent tool for companies that require comprehensive oxygen transmission analysis.

The system’s automatic translation and clamping mechanisms streamline the testing process, optimizing efficiency and ensuring consistent results. By reducing setup time, Labthink’s OTR testing equipment accelerates workflows and increases productivity. This flexibility is particularly advantageous for businesses involved in high and medium gas barrier material testing, where diverse packaging types need to be evaluated.

Energy-Efficient and Cost-Effective OTR Testing

Labthink’s OTR testing equipment stands out not only for its performance but also for its energy efficiency. The integration of intelligent frequency control technology reduces energy consumption, making it an environmentally friendly and cost-effective solution for businesses. The system can operate without the need for a dedicated constant temperature lab, lowering both infrastructure and operational costs.

By employing world-class components and energy-saving features, Labthink’s OTR testing equipment helps companies reduce their overhead while maintaining top-notch testing accuracy. This balance between performance and cost-effectiveness makes Labthink the ideal partner for businesses looking to streamline their OTR testing operations.

Conclusion: Trust Labthink for Your OTR Testing Needs

Labthink’s OTR testing equipment delivers the precision, versatility, and cost-efficiency that businesses require to ensure their packaging maintains product integrity. Whether you’re in food, medical, or electronics packaging, Labthink’s advanced solutions provide the tools necessary to measure oxygen transmission rates accurately and effectively. Invest in Labthink‘s OTR testing equipment to ensure the longevity and quality of your products while optimizing testing operations.

Oxygen Transmission Rate Measurement

The OTR test is a standardized procedure to quantify the amount of oxygen gas that passes through a unit area of a packaging material over a 24-hour period under specific conditions of temperature and humidity. This measurement is critical because oxygen ingress is a primary cause of product degradation, leading to spoilage, rancidity, and loss of potency in sensitive goods like food and pharmaceuticals. The test is performed using specialized equipment known as an OTR tester. This instrument creates a controlled environment where one side of the film sample is exposed to oxygen while the other side is flushed by a carrier gas, which transports the permeated oxygen to a sensor for precise measurement. The resulting OTR value, typically reported in cc/m²/day, provides a definitive metric for a material’s barrier performance.

Material Barrier Property Evaluation

Evaluating the barrier properties of packaging materials is a core application of OTR testing. This evaluation directly informs material selection and development, helping to match the packaging’s oxygen barrier level to the specific sensitivity of the product inside. For instance, a fresh salad requires a different barrier than roasted coffee or a medical device. The data from these tests allows for comparative analysis between different polymers, multi-layer laminates, and coated films. Labthink provides the technology that enables this critical analysis. By understanding the exact OTR, manufacturers can optimize their packaging structures, potentially reducing material usage without compromising protection, or identifying the need for high-barrier layers to extend a product’s shelf life effectively and reliably.

Packaging Quality Control Test

In a production environment, OTR testing serves as an essential quality control check to ensure consistency and reliability. Raw material batches can vary, and manufacturing processes like extrusion or coating can introduce inconsistencies that affect the final barrier performance. Regular OTR testing on incoming materials and finished packaging provides a quantitative safeguard against these variations. This proactive monitoring helps prevent costly recalls and product waste by catching off-spec materials before they enter the production line. It verifies that every batch of packaging meets the predefined specifications required to protect the product. Implementing a robust OTR QC protocol is a fundamental step in maintaining brand integrity and ensuring that consumers receive a product that is fresh, safe, and of high quality.

Conclusion

We at Labthink manufacture Oxygen Permeability Testers, also known as Oxygen Transmission Rate (OTR) testers. Our instruments are designed to measure the oxygen transmission rate of films, sheets, and packaging containers. The testers conform to the ASTM D3985 standard test method and utilize a coulometric sensor. Our product line includes models that can test oxygen permeability for packaging films and containers, and systems testing water vapor transmission rate, providing a comprehensive solution for your barrier testing needs with our OTR tester for food packages and other applications.

Oxygen Transmission Rate Measurement

To measure the Oxygen Transmission Rate (OTR), you must first prepare a specimen by cutting it to fit the instrument’s test chamber, ensuring it is free of wrinkles or defects. The sample is then securely clamped to create a sealed barrier between two chambers. On one side, a flow of pure oxygen or air is established, while the other side receives a carrier gas, typically nitrogen. The instrument detects the oxygen molecules that permeate through the film and are carried by the nitrogen to a sensor. The system measures the rate of oxygen flow, calculating the OTR value under controlled temperature and humidity conditions. Accurate results depend on proper specimen mounting and stable environmental control. This process is fundamental for evaluating packaging performance using specialized OTR testing equipment.

Gas Barrier Property Analysis

Gas barrier property analysis using an oxygen permeation analyzer involves interpreting the OTR data to understand a material’s protective capabilities. A low OTR value indicates a high barrier, meaning the material effectively prevents oxygen from passing through, which is vital for preserving oxygen-sensitive products. The analysis helps in comparing different materials, multi-layer structures, or the impact of production processes on barrier performance. Traditional devices typically focus solely on OTR measurement, providing limited insights into comprehensive barrier performance. Labthink analyzers, by contrast, leverage OTR data to enable in-depth comparison of materials, multi-layer structures, and production process impacts. Moreover, flagship models like the C403H and C406H go beyond OTR testing to measure water vapor transmission rate (WVTR), offering a holistic view of packaging protection capabilities—an essential advantage for evaluating materials used in oxygen and moisture-sensitive products.

Instrument Calibration Procedure

The calibration procedure is critical for maintaining the accuracy of an oxygen permeation analyzer. We recommend performing calibration regularly using certified standard reference films with a known, traceable OTR value. The process involves running a test on this reference material exactly as you would an unknown sample. The measured OTR result is then compared against the certified value provided with the standard film. Labthink emphasizes regular calibration using certified standard reference films with known, traceable OTR values. The process includes verifying sensor response, gas flow stability, and environmental control accuracy, with mandatory documentation to ensure data integrity and compliance with quality standards. Additionally, Labthink’s instruments adhere to the ASTM D3985 standard test method.

Conclusion

In conclusion, while traditional oxygen permeation analyzers can meet basic testing needs, Labthink’s solutions stand out through simplified operation, comprehensive testing capabilities, strict calibration protocols, and adherence to industry standards. We at Labthink manufacture Oxygen Permeability Testers, also known as Oxygen Transmission Rate (OTR) testers. For comprehensive material analysis, specific models, such as the C403H and C406H, can also test the water vapor transmission rate (WVTR) of packaging materials, providing a more complete picture of barrier performance with our oxygen permeation analyzer.

The global flexible packaging industry is experiencing significant growth, driven by key market trends in sustainability,e-commerce, and consumer convenience. Valued between approximately $258.7$ billion and $300.6$ billion in 2024, the market is robust and projected to grow at a Compound Annual Growth Rate (CAGR) of 5.2% to 6.0% through 2032 [1]. The Food & Beverage sector is the largest consumer, expected to account for up to 51% of the market [1], driven by the demand for packaged, convenient meals and extended shelf life.

The dominant material remains Plastic (primarily Polyethylene (PE) and Polypropylene (PP)) due to its low cost, durability, and excellent properties. Crucially, the demand for high-barrier films —which significantly restrict the transmission of Oxygen (OTR) and moisture (WVTR)—is strong, particularly in the food and pharmaceutical sectors where product integrity and shelf life are paramount [2]. Understanding these materials is the first step in strategic package design.

What are the most popular and essential material choices for flexible packaging?

The most essential material choices for flexible packaging are a family of polyolefins, which form the structural basis, complemented by specialized films that provide high-performance barriers.

1. Polyethylene (PE)

Polyethylene is the most widely used polymer in flexible packaging globally. PE (including variations like LDPE and LLDPE) is primarily used for the inner, contact layer of almost all flexible packaging (pouches and bags). It is the most cost-effective polymer, offering excellent heat-seal properties, which makes it the sealing layer in a laminate. Furthermore, PE provides a very good moisture barrier and is chemically inert, making it safe for direct food contact. Its high malleability and excellent tear and impact resistance ensure durability for heavy or stretched items.

2. Polypropylene (PP)

Polypropylene has a higher melting point than PE, making it ideal for packaging that is hot-filled, microwaved, or steam-sterilized. It offers a strong moisture barrier, making it excellent for keeping dry goods like snacks and cereals fresh and crisp. PP is often used in its Biaxially Oriented form (BOPP) to maximize its key properties: high transparency, stiffness, and gloss.

3. Polyethylene Terephthalate (PET)

PET is a high-performance polyester polymer renowned for its superior properties in laminated structures. It offers superior tensile strength and rigidity compared to PP and PE, making it the best choice for the outer layer of pouches. This strength provides structure, puncture resistance, and the ability to handle sharp or heavy contents. PET also provides an excellent inherent barrier against gases like oxygen and CO2, helping to extend the shelf life of perishable products.

4. Specialized and Complementary Materials

When selecting advanced flexible packaging, materials are often chosen specifically for their specialized barrier properties that go beyond standard polymers like PE and PP. These materials serve a primary purpose—either providing an ultimate barrier against external oxygen and moisture or boosting the mechanical strength of the package.

l  Ultimate Barriers

Some materials are chosen when a product demands the absolute highest level of protection. Aluminum Foil is recognized as the ultimate barrier, aluminum foil provides a near-perfect block against moisture, oxygen, and light. This material is essential for products with extreme shelf-life requirements, such as sensitive pharmaceuticals, high-quality coffee, and retort (heat-sterilized) foods. Metallized Films offer a cost-effective barrier solution. They are created by depositing an extremely thin layer of aluminum vapor onto films like PET or BOPP.

l  Specialized Polymer Barriers

Other specialized polymers are used to provide targeted barrier protection, often as a critical layer hidden within a multi-layer structure. EVOH (Ethylene Vinyl Alcohol) is utilized for its exceptional oxygen barrier performance, making it one of the most effective gas barriers available. While being a great gas barrier, its properties are highly sensitive to and compromised by moisture. PVDC (Polyvinylidene Chloride) is primarily used as a high-barrier coating applied to other base films. PVDC provides an excellent defense against both oxygen and moisture, making it a versatile choice for extending product freshness. Nylon’s (PA) primary purpose is providing puncture resistance and a good gas barrier. It is valued for its exceptional mechanical strength, which helps prevent product failure. For this reason, it is frequently used in vacuum packaging applications for items like meat and cheese, where integrity against sharp contents or rough handling is crucial.

How to Select the Right Flexible Packaging Materials for my products?

Selecting the right materials for your product packaging is a complex, strategic process that goes far beyond just appearance. It requires balancing four major categories of criteria: product protection, market appeal, cost/efficiency, and sustainability.A weak choice in any area can lead to product failure, regulatory fines, or consumer rejection, making this decision fundamental to your product’s success.

Product Protection and Performance

The first and most critical area is product protection and performance. You must choose materials with the correct barrier properties to keep the product fresh and safe for its intended shelf life.

l   Barrier Properties

Products like coffee, dried food, and pharmaceuticals require excellent Oxygen Transmission Rate (OTR) and Water Vapor Transmission Rate (WVTR) barriers. It is important to prevent extends Shelf Life and maintains product quality, flavor, and texture. Poor barrier leads to spoilage and product recalls.

l   Mechanical Strength,

The packaging’s mechanical strength is equally important; it must be durable enough to survive dropping, stacking, and vibration throughout the entire distribution process without tearing or leaking. At the same time, it must offer consumer convenience. If the package is difficult to open—whether due to hard-to-tear notches or stuck bottle caps—it creates a frustrating user experience that can severely damage brand loyalty.

l   chemical compatibility

This is especially important for food and medical packages. You must confirm chemical compatibility—the material must not react with the product (especially with acidic foods, oils, or cleaning agents) or leach harmful substances.

Beyondconsidering the packaging material’s functionality, you must also ensure it aligns with your brand, target market, consumer experience, and key sustainability and compliance goals. The packaging is often the first and last point of contact. Does the material convey a premium feel or an eco-friendly image? Will the material allow for high-quality printing to create the necessary visual impact on the shelf? Does the material adhere to all regulatory standards, especially if they involve food contact? These are the questions that must be taken into consideration.

Selecting the right material for your product packaging is a critical, multi-faceted decision that impacts product safety, cost, marketing, and environmental footprint.

Conclusion

Selecting the right material for flexible packaging is a critical, multi-faceted decision that directly impacts product safety, cost, marketing effectiveness, and environmental footprint. By understanding the functional hierarchy of polymers like PE, PP, and PET, and strategically incorporating high-barrier specialists like Aluminum and EVOH, brands can achieve the required performance. This material strategy must then be rigorously validated through a comprehensive systematic testing plan. Ultimately, success in flexible packaging hinges on balancing material science with market strategy to create a safe, durable, and appealing product for the consumer.

References

[1] Fortune Business Insights. (2024). Flexible Packaging Market Size, Share & COVID-19 Impact Analysis, By Material(Plastics, Paper, Metal, and Others), By Type (Pouches, Films, Bags, and Others), By Application (Food & Beverages, Healthcare, Cosmetics & Toiletries, and Others), and Regional Forecast, 2024-2032. [2] Aris-Pack.(2025). Trends in Flexible Packaging Production in 2025.

1. Product Shelf Life

The foremost function of effective packaging is to shield its contents from environmental factors, with oxygen being a primary concern. For perishable goods—including many foods, beverages, pharmaceuticals, and sensitive chemicals—oxygen exposure triggers oxidation, which fundamentally degrades product quality, taste, efficacy, and nutritional value. By accurately assessing the Oxygen Transmission Rate (OTR) of packaging materials, manufacturers can select and validate optimal barrier materials, thereby directly extending the product’s shelf life and maintaining consumer safety and satisfaction.

2. Product Quality

Exposure to oxygen is a primary cause of quality deterioration across numerous industries, directly compromising product integrity and longevity. In the food sector, oxygen accelerates spoilage by causing fats to oxidize (become rancid) and nutrients to degrade. For pharmaceuticals, oxidation is a critical concern as it can alter the chemical composition of active ingredients, reducing their efficacy or rendering the product unsafe for consumption. Similarly, oxygen exposure affects cosmetics, leading to the breakdown of active ingredients and resulting in a reduced effectiveness and shorter shelf life. Even highly durable items like electronics require protection, as oxygen can cause corrosion on sensitive components, leading to product failure. Therefore, Oxygen Transmission Rate (OTR) testing is essential, allowing manufacturers to quantify a material’s barrier performance and ensure product quality is maintained over the intended shelf life.

3. Regulatory Compliance

In heavily regulated industries like food, beverage, and pharmaceuticals, packaging materials must strictly adhere to specific regulatory standards. Compliance often involves meeting requirements set by bodies such as the FDA, European Union (EU) regulations, and ISO standards, particularly concerning oxygen permeability. OTR testing is essential because it provides the mandatory barrier data required for regulatory approval and ensures that packaging maintains the necessary protective properties for product safety and contact eligibility.

4. Packaging Cost Optimization

Oxygen Transmission Rate (OTR) testing enables manufacturers to make informed material selection decisions that directly balance performance and cost. Understanding the oxygen permeability of various materials is critical: an excessively high OTR compromises product protection and increases the risk of spoilage, while an unnecessarily low OTR leads to over-engineering and inflated costs. By finding the optimal barrier properties, OTR testing helps businesses refine their packaging specifications, maximizing packaging efficiency by reducing both material waste and production expenses.

Labthink oxygen permeation testing analyzers are recognized as the industry-leading solution for over 30 years and a redesigned on based on many global permeability testing standards such as ASTMD3985.

C203H Oxygen Permeability Labthink Analyzer (Coulometric Sensor) – Labthink Equal Pressure Method Analyzer

5. Consumer Safety

Ensuring low Oxygen Transmission Rate (OTR) is a fundamental requirement for the safe packaging of all perishable, oxygen-sensitive products. Poor oxygen barriers compromise product integrity, significantly increasing the likelihood of spoilage and contamination before the item reaches the consumer. By effectively limiting oxygen exposure, high-barrier packaging actively inhibits the growth of foodborne pathogens (such as molds and aerobic bacteria often found in dairy, meat, and baked goods), a non-negotiable step required to maintain quality and meet regulated food safety standards.

6. Sustainable Packaging

The packaging industry is increasingly prioritizing sustainability, making Oxygen Transmission Rate (OTR) testing a critical tool for material evaluation. OTR testing is essential for determining how well sustainable materials—such as biodegradable plastics or plant-based films—perform as oxygen barriers when compared to conventional options like PET or polyethylene.

This testing ensures that the adoption of bio-based or compostable packaging does not compromise shelf life or product quality, verifying that these alternatives maintain effective barrier properties. Furthermore, selecting materials with the precisely required OTR helps companies reduce packaging waste by avoiding over-engineering and minimizing the excessive use of resources.

7. Consumer Experience

Packaging’s role extends beyond protection; it is a critical element in the overall consumer experience and a direct reflection of brand integrity. When packaging fails—particularly due to excessive oxygen permeability—it can severely damage a brand’s reputation as consumers encounter spoiled or substandard products. Consistently delivering high-quality, fresh products is essential for cultivating brand trust; failure to control oxygen transmission leads to customer dissatisfaction and loss of credibility. Furthermore, oxygen-permeable packaging can cause discoloration or texture changes, making the product visually unappealing and further eroding brand image. Therefore, measuring oxygen permeability ensures products remain fresh, appealing, and consistent.

8. Packaging for Specific Needs

Different products possess unique vulnerabilities and requirements regarding exposure to oxygen. OTR testing is crucial because it allows packaging designers to precisely tailor barrier materials to meet these specific needs, optimizing both product quality and shelf life.

For example:

• Fresh Produce: The needs of fruits and vegetables vary widely; some require low oxygen levels while others need controlled or micro-perforated barriers to allow for respiration. OTR testing enables the customization of packaging to achieve the precise gas exchange rate necessary for maintaining optimal freshness.
• Sensitive Drugs and Pharmaceuticals: Certain medications and medical devices demand packaging that guarantees a near-zero oxygen environment to prevent degradation and maintain potency. OTR testing provides assurance that the specialized, often multi-layered, barrier packaging meets these stringent regulatory and preservation requirements.

Conclusion

In conclusion, Oxygen Transmission Rate (OTR) testing serves as a foundational and indispensable step in both the development and optimization of packaging materials. By yielding precise data on oxygen barrier capabilities, OTR empowers businesses to make strategic decisions that directly translate into extended product shelf life, significant cost optimization, and enhanced regulatory compliance. Ultimately, ensuring proper oxygen barrier properties protects not only the integrity of the product and the reputation of the brand, but also plays a vital role in advancing industry sustainability efforts and securing long-term consumer trust.

Choose an OTR tester below to learn more about the performance and value each product delivers. https://en.labthink.com/en-us/products/test-property/oxygen-permeability-tester.html

In industries where packaging integrity is paramount – such as food, pharmaceuticals, and medical devices – ensuring robust barrier performance is non-negotiable. Conventional testing frequently suffer from three key pain points: Single-function instruments need frequent sample changes, leading to significant downtime and the risk of cross-contamination; integrating multiple specialized devices for comprehensive analysis is costing and complex; reliance on manual operations introduces human error, making ensuring consistent and reliability difficult. Labthink C406H Oxygen/Water Vapor Transmission Rate Testing System emerges as a groundbreaking “one-system, dual-test” solution, meticulously engineered to overcome these pervasive challenges and redefine industry standards.

OTR WVTR Combi Tester

Labthink C406H directly targets these issues, providing a streamlined and reliable testing platform. It integrates Labthink’s proprietary ppb-level coulometric oxygen sensor with a patented infrared water vapor sensor. The oxygen sensor has an impressive lower detection limit of 0.02 cc/(m²·day), far more precise comparing to conventional equipment. The infrared water vapor sensor offers rapid response times, accurately capturing permeation rates as low as 0.0001 g/(m²·day). Both sensors are offering a lifespan three times that of traditional counterparts, complemented by an integrated over-limit alarm system for continuous operational stability.

Beyond its sensing capabilities, the C406H features a novel “Rainbow Bridge” test chamber design. This, combined with 360° airflow circulation and precise constant temperature technology, ensures temperature fluctuations remain within ±0.15℃. High-accuracy temperature and humidity sensors are embedded in each chamber, providing real-time environmental monitoring and data logging.

C406H’s six independent test chambers design boosted test efficiency significantly, allowing for the simultaneous analysis of six samples. This multi-sample capability is particularly beneficial for research institutions conducting comparative studies.

Operation is automated via a 12-inch Windows touchscreen tablet, powered by an embedded industrial computer. Users simply input desired temperature and humidity parameters, and the system autonomously manages gas flow, temperature, and humidity, achieving a repeatability of 0.01 cc/(m²·day). Smart features like automatic cover opening/closing with acoustic and visual alerts further enhance user experience.

Driving Value Across Diverse Industries

1. Food Industry Quality Assurance: It precisely simulates diverse environmental conditions to assess oxygen barrier properties (0.02-200 cc/(m²·day)) and water vapor transmission rates (0.005-40 g/(m²·day)). For instant, meat packaging, accurate oxygen permeation testing directly aids in controlling fat oxidation, thereby extending product shelf life.
2. Pharmaceutical Packaging Safety: For high-barrier materials such as aluminum foil composite films in drug packaging, the C406H can detect ultra-low water vapor transmission at 0.0001 g/(m²·day). This ensures the stability of humidity-sensitive drugs, reduce the risk of quality issues caused by moisture and preventing costly recalls due to packaging failure.
3. Medical Device Innovation: In medical device testing, such as wound dressings, the C406H concurrently measures both oxygen and water vapor transmission rates. This provides comprehensive dual-data support crucial for material selection and product development.
4. Regulatory Compliance & Quality Control: The system is engineered to meet international standards including ASTM D3985 and ISO 15106-2, and adheres to critical regulatory requirements like GMP and CFR21 Part11.

Main technical parameters and configuration

• Test range: OTR 0.02-200 cc/(m²·day), WVTR 0.02-40 g/(m²·day)

• Resolution: OTR 0.0001 cc/(m²·day), WVTR 0.0001 g/(m²·day)

• Temperature control: 10～50 ℃; 5～60 ℃ (optional)

• Test chamber: 6 sets (independent test chamber)

• Standard test area: 50cm2

• Optional devices: GP-01 gas purification device, air compressor, CFR21Part11 and other optional parts

Labthink C406H represents a paradigm shift in packaging barrier performance testing. Through its “sensor + algorithm + structure” innovation and its “one-system, dual-test” capability, it not only resolves the traditional trade-off between efficiency and precision but also offers robust quality assurance for high-risk industries like food and pharmaceuticals. With anticipated integration of IoT technologies, the C406H is poised to enable remote monitoring and intelligent diagnostics, continuously propelling packaging inspection technology towards a more intelligent and efficient future.

Labthink encourages collaboration with packaging industry companies for quality control! For more information please visit our website www.labthink.com, or contact us via trade.en@labthink.com!

The Labthink C206 Oxygen Transmission Rate (OTR) Tester is a state-of-the-art instrument designed to measure the oxygen permeation characteristics of a wide variety of packaging materials. Its high-precision measurement capabilities help businesses optimize packaging solutions, ensuring product quality, freshness, and compliance with international standards. The C206 is a crucial tool for industries like food, pharmaceuticals, and cosmetics, where packaging is key to product longevity.

https://en.labthink.com/en-us/product/c206h-oxygen-transmission-rate-test-system.html

Key Features:

• High Precision Testing: Measures OTR with superior accuracy to ensure reliable and repeatable results.
• Compliant with Global Standards: Fully compliant with ASTM D3985, ISO 15105-2, and other international standards.
• User-Friendly Interface: Intuitive touchscreen interface for easy operation, with real-time data visualization.
• Fast Results: Get results in a matter of hours, reducing test turnaround time and accelerating product development.
• Automatic Calibration: Simplifies the setup process and ensures reliable measurements by automating calibration procedures.
• Data Export and Reporting: Easily export data to a PC or USB drive in common formats (e.g., CSV, Excel) for detailed analysis and reporting.

2. Benefits of Using Labthink C206 OTR Tester

Optimize Packaging Materials

The C206 helps you evaluate different packaging materials (films, foils, laminates, etc.) for their oxygen barrier properties, enabling the selection of the best material to extend shelf life and protect product integrity.

• Extended Product Shelf Life: Identify packaging solutions that maintain product freshness and quality over time, reducing spoilage and waste.
• Compliance with Industry Regulations: Ensure your packaging meets stringent industry standards, including food safety, pharmaceuticals, and medical devices.

Enhance Consumer Experience

By ensuring packaging materials are optimized for oxygen barrier properties, the Labthink C206 enables you to protect your products from oxidation, moisture, and contaminants, enhancing the overall consumer experience.

• Food & Beverages: Maintain the flavor, texture, and nutritional value of products for longer periods.
• Pharmaceuticals: Protect the potency of sensitive medications and ensure product safety.
• Cosmetics & Personal Care: Preserve the quality and appearance of cosmetics and personal care products.

Save Costs

Optimizing packaging materials not only improves product quality but also helps reduce overall packaging costs. The C206 enables manufacturers to test and select materials with the right balance of cost and performance.

• Reduce Over-Packaging: Avoid unnecessary material use by selecting the optimal barrier properties for your product.
• Cost-Effective Material Selection: Avoid the use of excessive or inadequate packaging materials, helping balance material costs with performance requirements.

Boost Sustainability

As packaging sustainability becomes more critical, the Labthink C206 allows businesses to assess the effectiveness of biodegradable and eco-friendly packaging materials in controlling oxygen transmission.

• Eco-friendly Packaging: Test new sustainable materials to ensure they perform at optimal levels, reducing waste while maintaining product protection.
• Green Packaging Solutions: Make data-driven decisions about adopting packaging alternatives that meet both environmental goals and product protection requirements.

3. Applications of Labthink C206 OTR Tester

Food Packaging

• Meat & Seafood: Ensure extended shelf life and quality for sensitive food items prone to oxidation.
• Beverages: Protect the taste, aroma, and nutritional value of drinks by selecting the best packaging materials.
• Snacks & Confectionery: Prevent staleness and spoilage by identifying packaging solutions with low OTR.

Pharmaceutical Packaging

• Protect medications from degradation, moisture, and loss of potency by selecting packaging materials that offer an optimal oxygen barrier.

Cosmetics & Personal Care Products

• Ensure product integrity and longevity by testing packaging materials for effective oxygen transmission properties.

Electronic Packaging

• Prevent corrosion and extend the shelf life of electronic components by selecting the right barrier materials for packaging.

4. Why Choose Labthink C206 OTR Tester?

Reliability & Accuracy

Labthink is a trusted brand in packaging material testing, and the C206 continues that tradition with cutting-edge sensor technology and rigorous compliance to industry standards. With the C206, you can trust that every test is accurate and repeatable, giving you confidence in your packaging material choices.

Ease of Use

The intuitive touchscreen interface makes it easy to set up and run tests with minimal training. It reduces human error and accelerates time to results, increasing your team’s productivity.

Cost-Effective & Time-Saving

By automating calibration, data collection, and reporting, the C206 cuts down on manual labor and testing time, enabling you to make faster decisions about your packaging materials.

Comprehensive Data

Gain comprehensive insights into your packaging materials’ performance with easy-to-read reports and data export capabilities, ensuring that you have the information needed to make the best decisions for your product.

5. Customer Testimonials

“The Labthink C206 has been instrumental in helping us optimize our packaging. The real-time results and data reporting have accelerated our R&D process, and we can now make more informed decisions about our packaging materials.”
— R&D Manager, Leading Food Manufacturer

“As a pharmaceutical company, ensuring the integrity of our products is critical. The C206 has helped us identify packaging materials that protect our products, keeping them safe and effective for longer periods.”
— Packaging Development Head, Global Pharmaceutical Company

6. Specifications

• Measurement Range: Oxygen transmission rate up to 1000 cc/m²·day
• Test Area: 100 cm² (Standard)
• Temperature Range: 0°C to 60°C
• Humidity Range: 0% to 90% RH
• Data Storage: Over 1000 test records
• Reporting Formats: CSV, Excel
• Power Supply: 220V AC, 50Hz
• Dimensions: 540mm (L) x 450mm (W) x 320mm (H)
• Weight: 35kg

7. How It Works

1. Sample Preparation: Cut your packaging sample to the required size and prepare it for testing.
2. Test Setup: Configure the test parameters such as temperature, humidity, and test duration using the user-friendly touchscreen interface.
3. Test Execution: The system will automatically measure the oxygen transmission rate as oxygen flows through the material and into the chamber.
4. Results & Reporting: After the test is complete, the results are displayed in real-time, and data can be exported or printed for detailed analysis and reporting.

8. Contact Us for More Information

Get in Touch with Labthink Today!

• Visit our website: https://en.labthink.com
• Email: info@labthink.com
• Call us: +86-531-85068566
• Address: Labthink, Shandong, China

9. Call to Action

Ensure the quality and longevity of your products by choosing the Labthink C206 Oxygen Transmission Rate (OTR) Tester. Whether you’re in food packaging, pharmaceuticals, cosmetics, or electronics, the C206 provides accurate, reliable data to optimize your packaging solutions. Contact us today to schedule a demo and see how Labthink can enhance your packaging testing capabilities!