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ASTM D2397/D2397M-20

ASTM D2397/D2397M-20

Standard Specification for Cationic Emulsified Asphalt

2020-07-10 /Active

This specification covers the seven grades of cationic emulsified asphalt for use in pavement construction. The asphalt shall be homogeneous after thorough mixing provided separation has not been caused by freezing and shall conform to the requirements set for viscosity, storage stability, demulsibility, coating ability and water resistance, particle charge, and distillation.


1.1 This specification covers seven grades of cationic emulsified asphalt for use in pavement construction in the manner designated.

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 are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.

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 Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

cationic; emulsified asphalt; emulsion; medium setting; rapid setting; slow setting;
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