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Standard Specification for Bitumen-Saturated Cotton Fabrics Used in Roofing and Waterproofing
1.1 This specification covers woven cotton fabrics saturated with either asphalt or coal-tar pitch intended to be used with asphalts conforming to Specification D312/D312M or D449/D449M, coal-tar pitches conforming to Specification D450/D450M, or appropriate solvent bearing bituminous materials in the construction of roofing and waterproofing systems.
1.1.1 Asphalt-saturated cotton fabric shall be used with asphalt base plying cement; typical ones are mopping asphalts conforming to Specification D312/D312M or D449/D449M or appropriate solvent bearing asphaltic compounds.
1.1.2 Coal-tar-saturated cotton fabric shall be used with coal-tar based plying cements; a typical one is coal-tar pitch conforming to Specification D450/D450M or appropriate solvent bearing coal-tar compounds.
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the standard.
1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International StandardDetails, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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