ASTM D43/D43M-00(2024)

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.
Designation: D43/D43M − 00 (Reapproved 2024) American Association State
Highway and Transportation Officials Standard
AASHTO No.: M121
Standard Specification for
Coal Tar Primer Used in Roofing, Dampproofing, and
Waterproofing
This standard is issued under the fixed designation D43/D43M; 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 (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope D246 Test Method for Distillation of Creosote and Creosote-
Coal Tar Solutions (Withdrawn 2006)
1.1 This specification covers coal tar primer suitable for use
D347 Tables for Volume and Specific Gravity Correction for
with coal tar pitch in roofing, dampproofing, and waterproofing
Creosote, Creosote-Coal Tar Solution, and Coal Tar
below or above ground level, for application to concrete,
(Withdrawn 2006)
masonry, and coal tar surfaces.
D367 Test Method for Xylene-Insoluble Matter in Creosote
1.2 The values stated in either SI units or inch-pound units 3
(Withdrawn 2006)
are to be regarded separately as standard. The values stated in
D368 Test Method for Specific Gravity of Creosote and
each system may not be exact equivalents; therefore, each 3
Oil-Type Preservatives (Withdrawn 2006)
system shall be used independently of the other. Combining
D370 Practice for Dehydration of Oil-Type Preservatives
values from the two systems may result in nonconformance
with the standard. 3. Physical Requirements
1.3 This standard does not purport to address all of the
3.1 Coal tar primer shall be a distillate of coal-gas tar or
safety concerns, if any, associated with its use. It is the
coke-oven tar and shall conform to the following requirements:
responsibility of the user of this standard to establish appro-
priate safety, health, and environmental practices and deter- Water not more than 1 %
A
Consistency at 5 °C [41 °F] entirely fluid and crystal free
mine the applicability of regulatory limitations prior to use.
Specific gravity, 38/15.5 °C [100 ⁄60 °F] not less than 1.06
1.4 This international standard was developed in accor-
Matter insoluble in benzene not more than 0.5 %
dance with internationally recognized principles on standard- Distillation, based on water-free oil:
Up to 210 °C [410 °F] not more than 1 %
ization established in the Decision on Principles for the
Up to 235 °C [455 °F] not more than 10 %
Development of International Standards, Guides and Recom-
Up to 355 °C [670 °F] not less than 65 %
mendations issued by the World Trade Organization Technical
Coke residue not more than 2 %
Barriers to Trade (TBT) Committee.
A
The coal tar primer shall be rated as crystal free if no crystals are formed when
100 mL of the sample is maintained at a temperature of 5 °C [41 °F] for 3 h, in a
2. Referenced Documents
125 mL Erlenmeyer flask, with occasional stirring.
2.1 ASTM Standards:
4. Sampling
D140/D140M Practice for Sampling Asphalt Materials
D168 Test Method for Coke Residue of Creosote (With-
4.1 Sample the coal tar primer in accordance with Practice
drawn 2006)
D140/D140M.
5. Test Methods
This specification is under the jurisdiction of ASTM Committee D0
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