ASTM D6753-02
(Specification)Standard Specification for Coal Tar Adhesive
Standard Specification for Coal Tar Adhesive
SCOPE
1.1 This specification covers coal tar adhesive with or without polymer modification suitable for brush, spray, squeegee and trowel application to coal tar built up and coal tar modified bitumen membrane roofings and flashings.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information purposes only.
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 requirements prior to use.
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Designation: D 6753 – 02
Standard Specification for
Coal Tar Adhesive
This standard is issued under the fixed designation D 6753; 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 5. Physical Requirements
1.1 This specification covers coal tar adhesive with or 5.1 The material shall conform to the requirements pre-
without polymer modification suitable for brush, spray, squee- scribed in Table 1.
gee and trowel application to coal tar built up and coal tar 5.2 Uniformity—Athoroughly stirred sample shall show no
modified bitumen membrane roofings and flashings. separation of solvent or settling that cannot be overcome by
1.2 The values stated in SI units are to be regarded as the moderate stirring after standing for 72 h at room temperature in
standard. The values given in parentheses are for information a closed container.
purposes only.
6. Sampling and Test Methods
1.3 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the 6.1 Test Methods D 6511:
6.2 Strength of Lap—Test Methods D 6511 as modified
responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica- below:
6.2.1 Three sets of four specimens shall be prepared, con-
bility of regulatory requirements prior to use.
ditioned, and tested at three different temperatures for lap shear
2. Referenced Documents
strength.
2.1 ASTM Standards: 6.2.2 Temperatures are to be 10, 25, and 60°C (50, 77, and
D 903 Test Method for Peel or Stripping Strength of Adhe- 140°F), for conditioning and 10, 25, and 32°C (50, 77, and
sive Bonds 90°F) for testing. Preparation of specimens shall be done at a
D 6511 Test Methods for Solvent Bearing Bituminous laboratory temperature of 23 6 1.8°C (73.4 6 3.6°F).
Compounds 6.2.3 Test Specimen and Sample:
6.2.3.1 Use a sample of the actual roofing membrane
3. Classification
intended for use with the adhesive.
3.1 Type I—Brush, squeegee, or spray consistency intended
6.2.3.2 For each specimen, cut a 1- by 12-in. (25- by
for use in the application of field sheet membranes. 305-mm) transverse strip of membrane that includes the
3.2 TypeII—Heavybrushingortrowelconsistencyintended
selvage; then cut this strip in half so that one piece contains the
for use in the repair of coal tar roofing and flashings and selvage and the other is plain.
installation of flashings.
6.2.3.3 Spread the amount of coal tar adhesive recom-
mended by the manufacturer evenly over the selvage and then
4. Materials and Manufacture
place the reverse side of the plain half over the adhesive coated
4.1 Coal tar adhesive shall consist of a processed coal tar
selvage in the same manner as a field lap would be made.
base, volatile solvents, mineral stabilizers, with or without
6.2.3.4 Place a 10-lb (4.5-kg) mass over the lap. The mass
polymer modifiers excluding asbestos, mixed to a smooth
shall be large enough to cover the area containing adhesive.
consistency.
After 2 min, remove the mass and condition the specimens as
prescribed in Table 1. Use care when handling or moving
samples.
6.2.4 Procedure—Test each specimen immediately after the
This specification is under the jurisdiction of ASTM Committee D08 on
specified conditioning period in accordance with Test Methods
Roofing,Waterproofing, and Bituminous Materials and is the direct responsibility of
Subcommittee D08.05 on Solvent-Bearin
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