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ASTM International - ASTM D7402-09

Standard Practice for Identifying Cationic Emulsified Asphalts

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Organization: ASTM International
Publication Date: 1 June 2009
Status: inactive
Page Count: 4
ICS Code (Waxes, bituminous materials and other petroleum products): 75.140
ICS Code (Binders. Sealing materials): 91.100.50
ICS Code (Road construction materials): 93.080.20
significance And Use:

Cationic emulsified asphalts are identified by the migration of the particles to a negatively charged electrode (cathode) by means of a direct current. Aggregates and sands used in conjunction... View More

scope:

1.1 This practice is used to identify cationic emulsified asphalts. Positively charged particles are classified as cationic. Emulsified asphalts that don't register a positive charge may also be classified as cotionic slow-setting if they coat a specific type of negatively charged silica sand.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this 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.

Document History

October 1, 2017
Standard Practice for Identifying Cationic Emulsified Asphalts
1.1 This practice is used to identify cationic emulsified asphalts. Positively charged particles are classified as cationic. Emulsified asphalts that don’t register a positive charge may also be...
ASTM D7402-09
June 1, 2009
Standard Practice for Identifying Cationic Emulsified Asphalts
1.1 This practice is used to identify cationic emulsified asphalts. Positively charged particles are classified as cationic. Emulsified asphalts that don’t register a positive charge may also be...
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