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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Enter between 20 to asttm, characters. Films Including plastic films, plastic composite films, paper-plastic composite films, geomembranes, coextruded films, aluminized films, aluminum foils, aluminum foil composite films and many other film materials.
Typical questions asked about products Does this product support customization? Labthink participates in the drafting of several important standards of food, pharmaceutical and packaging industries, and is the excellent partner of national certification institutes. The Labthink Global Customer Astj Center provides customers with professional, prompt and sustained pre-sale, point-of-sale and after-sale services in Chinese, English, French, Spanish, Portuguese, Russian, Arabic and other languages.
This limit can be checked for each instrument with an impervious specimen such as aluminum foil. The Labthink Global Customization Center offers customized professional solutions to meet individual customer needs. Sheeting Including engineering plastics, rubber, waterproof building materials and thermal insulation materials, e. Inverted Cup Method Asrm film or sheeting in test dish, cover upper surface of specimen with distilled water, and make the lower side in certain humidity.
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WVTR Water Vapor Transmission Rate Analyzer(ASTM E398)
Historical Version s - view previous versions of standard. Textiles and Nonwovens Including textiles and non-woven materials.
Aseptic Wound Protecting Films and Face Masks Including aseptic wound protecting films, face masks and protective clothing materials. High in accuracy, repeatability and reliability 4. Send your message to this supplier. Labthink aims at creating satisfactory value and professional services for her customers.
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.
Wvtr Water Vapor Transmission Rate Analyzer (ASTM E398)
Not exactly what you want? 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 w398 or between the conditions of test. A reasonable value may be approximately 0. Calibration procedures can compensate for the leakage rate if so stated.
Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Ast has also established cooperation with IGT, Rycobel, Metrotec, Chilton, Moroka and other renowned distributors to provide attentive and prompt technical services for her customers in more than 40 countries and regions.
Calibration procedures can compensate for the leakage rate if so atsm.
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Work Item s - proposed revisions of this standard. Active view current version of standard. You Might Also Like.
Find Similar Products By Category. What is the payment terms? Link to Active This link will always route to the current Active version of the standard. No other units of measurement are included in this standard. China flue analyzer China port analyzer China cell analyzer.
Contact Now Customized S398. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Labthink provides excellent testing equipments and services for Labs, quality and safety control of polymer materials, such as flexible packaging, pharmaceuticals, foodstuff, cosmetics packaging, printing, adhesive, automotive, petroleum chemistry, environment, biology, new energy, construction, astronautics and electronics.
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Labthink has Water Vapor Transmission Rate Analyzers that comply with humidity detection method, electrolytic detection method and gravimetric test method respectively. Specifications Film Test Test Range 0.
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What is the warranty for the equipment? Get Latest Price Min. 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.
By testing the water vapor transmission rate, the technical index of the materials could be controlled to meet the requirements for production. China analyzer body China time analyzer China scan analyzer. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.