ASTM D6154-97

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Designation: D 6154 – 97
Standard Specification for
Chemically Modified Asphalt Cement for Use in Pavement
Construction
This standard is issued under the fixed designation D 6154; 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.
1. Scope D 140 Practice for Sampling Bituminous Materials
D 1754 Test Method for Effect of Heat and Air on Asphaltic
1.1 This specification covers asphalt cements that have been
Materials (Thin Film Oven Test)
modified by the addition of a chemical gellant. It was devel-
D 2042 Test Method for Solubility of Asphalt Materials in
oped to provide a reference for specifying chemically modified
Trichloroethylene
asphalt cement and reflects the properties of currently available
D 4957 Test Method for Apparent Viscosity of Asphalt
commercial products. The tests are intended to measure degree
Emulsion Residues and Non-Newtonian Bitumens by
of modification not performance characteristics. This is not
Vacuum Capillary Viscometer
intended to be a performance–based specification.
1.2 Chemically modified asphalt cements are normally pro-
3. Materials and Manufacture
duced by addition of a chemical stabilizer. However, any
3.1 The asphalt cement used to prepare the chemically
asphalt modifier may be used which will give the required test
modified asphalt cement shall be prepared by the refining of
results when blended with the desired asphalt.
crude petroleum by suitable methods.
1.3 The values stated in SI units are to be regarded as the
standard.
4. Physical Properties
1.4 The following precautionary statement pertains to the
4.1 The chemically modified asphalt cement shall be homo-
test method portion only, Section 5, of this specification: This
geneous, free from water, and shall not foam when heated to
standard does not purport to address all of the safety concerns,
180°C.
if any, associated with its use. It is the responsibility of the user
4.2 The chemically modified asphalt cement shall conform
of this standard to establish appropriate safety and health
to the requirements of Table 1.
practices and determine the applicability of regulatory limita-
tions prior to use.
5. Methods of Sampling and Testing
5.1 Sample and test the chemically modified asphalt cement
2. Referenced Documents
in accordance with the following methods:
2.1 ASTM Standards:
2 5.1.1 Sampling—See Practice D 140.
D 5 Test Method for Penetration of Bituminous Materials
5.1.2 Penetration—See Test Method D 5.
D 36 Test Method for Softening Point of Bitumens (Ring
3 5.1.3 Viscosity at 60°C—See Test Method D 4957.
and Ball Apparatus)
5.1.4 Viscosity at 135°C—See Test Method D 4957.
D 92 Test Method for Flash and Fire Point by Cleveland
4 5.1.5 Flash Point, Cleveland Open Cup—See Test Method
Open Cup
D
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