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If desired, lower temperatures can be applied to estimate the performance of polypropylene materials with lower heat stability.
By browsing this website you expresses your consent with using cookies. Note 2 — This test method and ISO — are technically similar but different in preparation of test specimens, thickness of test specimen, measurement of the number of air flow changes in the ovens, and the number of air changes per hour required. Historical Version s – view previous asgm of standard.
Note The specified thermal levels in this test method are considered sufficiently severe to cause failure of commercial grades of heat-stable polypropylene within a reasonable period of time.
Whether your business is local or global, we can ensure your products meet quality, health, environmental, safety, and social accountability standards for virtually any market around the world. Auditing Consulting Sourcing Training. GM – The test specimen is machined to no more than 75mm x 25mm x 3.
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This test method can be conducted at several temperatures and the data interpreted through use of the Arrhenius relation, by plotting the logarithms of times to failure against the reciprocals of the temperatures in kelvins K. Validating the specifications, value and safety of your raw materials, products and assets. Thermal degradation is determined by visual examination. Assurance Testing Inspection Certification. The values in parentheses are for information only.
If desired, lower temperatures can be applied to estimate the performance of polypropylene materials with lower heat stability. Evaluating how your products and services meet and exceed quality, safety, sustainability and performance standards.
Look f3012 this page. The test specimens are mounted in the clips on the biaxial rotator – spacers, such as teflon tape, are used to thermally insulate the specimens from the clips.
Historical Version s – view previous versions of standard Work Item s – proposed revisions of this standard Translated Version s: Work Item s – proposed revisions of this standard.
Note 1 — The specified thermal levels in this test method are considered sufficiently severe to cause failure of commercial grades of heat-stable polypropylene within a reasonable period of time. ASTM – 10mm x 50mm x 1mm molded to size or cut from a larger piece. Active view current version of standard. If this test method is conducted at different temperatures on the same material, a more reliable estimate of the life-temperature relationship of polypropylene is determined.