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Standard Test Method for Microcellular Urethanes´High-Temperature Sag
Automaticky preložený názov:
Štandardná skúšobná metóda pre mikrobuněčných Urethanes'High - teplota Sag
NORMA vydaná dňa 1.9.2015
Označenie normy: ASTM D3769-15
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.9.2015
Kód tovaru: NS-615117
Počet strán: 3
Približná hmotnosť: 9 g (0.02 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
deformation, heat sag, high-temperature, microcellular, sag, urethane,, ICS Number Code 83.100 (Cellular materials)
Significance and Use | ||||||
3.1 This test method is used to indicate the deformation tendency of microcellular materials that may occur during paint application in an assembly plant operation. Since a standard specimen is used, do not assume heat sag measurements to be exactly those which will occur on a part during or after the paint application and baking operation of an assembly process. 3.2 Before proceeding with this test method, reference shall be made to the specification of the material being tested. Any test specimen preparation, conditioning, or dimensions, or combination thereof, and testing parameters covered in the materials specification shall take precedence over those mentioned in these test methods. If there are no material specifications, then the default conditions apply. Note 2: This test method is applicable to solid
urethanes.
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1. Scope | ||||||
1.1 This test method covers the procedure and apparatus for measuring high-temperature sag of microcellular urethane materials. 1.2 The values stated in SI units are to be regarded as standard. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. 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. Note 1: There is no known ISO equivalent to this
standard.
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2. Referenced Documents | ||||||
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