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ASTM D450-07 Standard Specification for Coal-Tar Pitch Used in Roofing, Dampproofing, and Waterproofing
standard by ASTM International, 05/15/2007
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1.1 This specification covers two types of coal-tar pitch suitable for use in the construction of built-up roofing, dampproofing, and membrane waterproofing systems.
1.2 The values stated in SI units are to be regarded as the standard. The values in parentheses are for information only