ASTM D3985
Standard Test Method for Oxygen Gas Transmission Rate Through Plastic Film and Sheeting Using a Coulometric Sensor
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About This Item
ASTM D3985 is the ASTM standard for measuring oxygen gas transmission rate through plastic film and sheeting using a coulometric sensor. It is used to evaluate how much oxygen can pass through a plastic barrier under defined test conditions, making it important for material selection, product development, and quality control. By providing a standardized test method, ASTM D3985 helps compare barrier performance more consistently across films and sheet materials used in packaging and related applications.
Overview of ASTM D3985
The official title, Standard Test Method for Oxygen Gas Transmission Rate Through Plastic Film and Sheeting Using a Coulometric Sensor, indicates a focused method for assessing oxygen permeation in plastic materials. This standard is commonly used when a reliable comparison of oxygen barrier properties is needed for thin plastic film and sheeting. ASTM D3985 supports repeatable testing by defining a recognized approach for measuring transmission rate with a coulometric sensor, which is valuable for technical evaluation and product specification.
Common use cases of ASTM D3985
ASTM D3985 is commonly applied in testing plastic films and sheeting used where oxygen barrier performance matters. It is often relevant for packaging materials, multilayer structures, and other sheet-based products that may need controlled oxygen transmission. Laboratories, suppliers, and buyers may use this standard during development, incoming inspection, and routine quality testing to compare material performance and confirm that barrier-related requirements are being met.
Benefits of using ASTM D3985
Using ASTM D3985 helps create a consistent basis for oxygen transmission testing, which supports better product comparison and clearer procurement decisions. It can reduce uncertainty in material evaluation by providing a recognized test method for plastic film and sheeting. For quality control and compliance workflows, the standard helps align testing practices across suppliers and laboratories, making reported results more useful for specification review, performance tracking, and risk reduction.
- Oxygen gas transmission rate testing
- Plastic film and sheeting evaluation
- Coulometric sensor method
- Barrier performance comparison
- Quality control and specification support
- Publication Date: 2024-07-16
- Publisher: ASTM
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