ASTM D2397-02

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation: D 2397 – 02
Standard Specification for
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Cationic Emulsified Asphalt
This standard is issued under the fixed designation D 2397; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope thorough mixing provided separation has not been caused by
freezing. Emulsions separated by freezing shall not be tested.
1.1 This specification covers seven grades of cationic emul-
3.2 Emulsified asphalt shall conform to the requirements
sified asphalt for use in pavement construction in the manner
prescribed in Table 1.
designated.
4. Sampling
2. Referenced Documents
4.1 Samples of emulsified asphalt shall be taken in accor-
2.1 ASTM Standards:
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dance with Practice D 140.
D 140 Practice for Sampling Bituminous Materials
2 4.2 Samples shall be stored in clean, airtight sealed contain-
D 244 Test Methods for Emulsified Asphalts
ers at a temperature of not less than 4°C (39.2°F) until tested.
D 3910 Practices for Design, Testing, and Construction of
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Slurry Seal
5. Test Methods
3. Requirements 5.1 The properties of the emulsified asphalts given in Table
1 shall be determined in accordance with Test Methods D 244,
3.1 The emulsified asphalt shall be tested within 14 days of
with the following exception:
delivery. The emulsified asphalt shall be homogeneous after
5.1.1 Sieve Test—Use distilled water in all wetting and
washing operations in place of sodium oleate solution (2 %).
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This specification is under the jurisdiction of ASTM Committee D04 on Road
and Paving Materials and is the direct responsibility of Subcommittee D04.41 on
6. Keywords
Emulsified Asphalt Specifications.
6.1 cationic; emulsified asphalt; emulsion; medium setting;
Current edition approved Dec. 10, 2002. Published January 2003. Originally
approved in 1965. Last previous edition approved in 1998 as D 2397–98.
rapid setting; slow setting
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Annual Book of ASTM Standards, Vol 04.03.
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D2397–02
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TABLE 1 Requirements for Cationic Emulsified Asphalt
NOTE 1—CQS–1H emulsions shall meet the requirements outlined in Practices D 3910.
NOTE 2—CQS-1h is used for Quick Set Slur
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