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  2. 标准
  3. ASTM D1670 / D1670M - 11 Standard Test Method for Failure End Point in Accelerated and Outdoor Weathering of Bituminous Materials

ASTM D1670 / D1670M - 11 Standard Test Method for Failure End Point in Accelerated and Outdoor Weathering of Bituminous Materials


资源简介
1. Scope 1.1 This test method covers the use of a spark generating apparatus for determination of failure due to cracking of bituminous materials undergoing accelerated or outdoor weathering on electrically conductive backings. 1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only. 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.

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