ASTM E398 PDF

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ASTM Standards. ASTM E ASTM E – Standard Test Method for Water Vapor Transmission Rate of Sheet Materials Using Dynamic Relative Humidity. ASTM has approved two test methods to track water vapor transmission from materials: ASTM E96 – Water Vapor. Transmission of Materials. Purchase your copy of ASTM E – 13 as a PDF download or hard copy directly from the official BSI Shop. All BSI British Standards available.

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Generate a constant humidity difference between two sides; water vapor permeates through specimen and measure weight changes in different time to obtain the water vapor transmission rate. Textiles and Nonwovens Including textiles and non-woven materials.

Link to Active This link will always route to the current Active version of the standard. Calibration procedures can compensate for the leakage rate if so stated. It is the responsibility of the user of this standard to establish appropriate safety and health e39 and determine the applicability of regulatory limitations prior to use.

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A reasonable value e938 be approximately 0.

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Specifications Film Test Test Range 0. Labthink has Water Vapor Transmission Rate Analyzers that comply with humidity detection method, electrolytic detection method and gravimetric test method respectively.

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Labthink is dedicated to providing professional consulting, testing instruments, support services, and quality assurance solutions for packaging in various fields. Aseptic Wound Protecting Films and Face Masks Including aseptic wound protecting films, face masks and protective clothing materials. Send your message to this supplier. World famous brand components. Find Astk Products By Category. Historical Version s – view previous versions of standard.

Direct correlation of values obtained under different conditions of test temperature and relative humidity will be valid provided the barrier material under test does not undergo changes in solid state such as a crystalline transition or melting point at or between the conditions of test.

Labthink has also established cooperation with IGT, Rycobel, Metrotec, Chilton, Moroka and other renowned distributors to provide attentive and prompt technical services for her customers aatm more than 40 countries and regions. This test method is unique in that it closely duplicates typical product storage where a transfer of moisture from a package into the environment is allowed to proceed without constantly sweeping the environmental side with dry gas.

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What is the warranty for the equipment? Sheeting Including engineering plastics, rubber, waterproof building materials and thermal insulation materials, e. Labthink aims at creating satisfactory value and professional services for her customers.

Labthink participates in the drafting of several important standards of food, pharmaceutical asm packaging industries, and is the excellent partner of national certification institutes. This test method is unique in that it closely duplicates typical product storage where a transfer of moisture from a package into the environment is allowed to proceed without constantly sweeping the environmental side with dry gas.

ASTM E398 – 13

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