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ASTM D450-07

(Specification)

Standard Specification for Coal-Tar Pitch Used in Roofing, Dampproofing, and Waterproofing

Standard Specification for Coal-Tar Pitch Used in Roofing, Dampproofing, and Waterproofing

ABSTRACT
This specification covers the testing and physical requirements of two types of coal-tar pitch suitable for use in the construction of built-up roofing, dampproofing, and membrane waterproofing systems. The coal-tar pitch shall be prepared from selected crudes using suitable refining processes, and shall be homogeneous and free of water. Materials shall be sampled, tested, and conform to properties such as water content, specific gravity, ring-and-ball softening point, Cleveland open cup flash point, solubility in carbon disulfide, ash content, and distillation (total distillates and residue).
SCOPE
1.1 This specification covers two types of coal-tar pitch suitable for use in the construction of built-up roofing, dampproofing, and membrane waterproofing systems.
1.2 The values stated in SI units are to be regarded as the standard. The values in parentheses are for information only

General Information

Status
Historical
Publication Date
14-May-2007
ICS
91.100.50 - Binders. Sealing materials
Technical Committee
D08 - Roofing and Waterproofing
Drafting Committee
D08.03 - Surfacing and Bituminous Materials for Membrane Waterproofing and Built-up Roofing
Current Stage
Ref Project

Relations

Replaces
ASTM D450-96(2006) - Standard Specification for Coal-Tar Pitch Used in Roofing, Dampproofing, and Waterproofing
Effective Date
15-May-2007
Replaced By
ASTM D450/D450M-07(2013)e1 - Standard Specification for Coal-Tar Pitch Used in Roofing, Dampproofing, and Waterproofing
Effective Date
01-Jan-2013
Referred By
ASTM E108-20a - Standard Test Methods for Fire Tests of Roof Coverings
Effective Date
15-May-2007
Referred By
ASTM C726-17 - Standard Specification for Mineral Wool Roof Insulation Board
Effective Date
15-May-2007

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ASTM D450-07 - Standard Specification for Coal-Tar Pitch Used in Roofing, Dampproofing, and WaterproofingASTM D450-07 - Standard Specification for Coal-Tar Pitch Used in Roofing, Dampproofing, and Waterproofing
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Technical specification
ASTM D450-07 - Standard Specification for Coal-Tar Pitch Used in Roofing, Dampproofing, and Waterproofing
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:D450 −07
StandardSpecification for
Coal-Tar Pitch Used in Roofing, Dampproofing, and
1
Waterproofing
This standard is issued under the fixed designation D450; 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 Department of Defense.
1. Scope 3.1.1 Type I—Suitable for use in built-up roofing,
dampproofing, and membrane waterproofing systems.
1.1 This specification covers two types of coal-tar pitch
3.1.2 Type II—Suitable for use in dampproofing and in
suitable for use in the construction of built-up roofing,
membrane waterproofing systems.
dampproofing, and membrane waterproofing systems.
1.2 The values stated in SI units are to be regarded as the
4. Materials and Manufacture
standard. The values in parentheses are for information only
4.1 Coal-tar pitch shall be prepared from selected crudes
using suitable refining processes to conform to the applicable
2. Referenced Documents
specifications.
2
2.1 ASTM Standards:
D4 Test Method for Bitumen Content
5. Physical Requirements
D20 Test Method for Distillation of Road Tars
5.1 Coal-tar pitch shall be homogeneous and free of water.
D36 Test Method for Softening Point of Bitumen (Ring-and-
Ball Apparatus)
5.2 Each type shall conform to the physical properties
D70 Test Method for Density of Semi-Solid Bituminous
prescribed in Table 1.
Materials (Pycnometer Method)
D92 Test Method for Flash and Fire Points by Cleveland 6. Sampling and Test Methods
Open Cup Tester
6.1 Sample the material and determine the properties enu-
D95 Test Method for Water in Petroleum Products and
merated in this specification in accordance with the following
Bituminous Materials by Distillation
methods:
D140 Practice for Sampling Bituminous Materials
6.1.1 Sampling—Practice D140.
D2398 Test Method for Softening Point of Bitumen in
6.1.2 Water—Test Method D95.
3
Ethylene Glycol (Ring-and-Ball) (Withdrawn 1984)
6.1.3 Specific Gravity—Test Method D70.
D2415 Test Method for Ash in Coal Tar and Pitch
6.1.4 Softening Point—Test Method D36 or D3461. In cases
D3461 Test Method for Softening Point ofAsphalt and Pitch
where a disagreement exists between the purchaser and the
(Mettler Cup-and-Ball Method)
seller, Test Method D36 shall be used as the referee method.
6.1.5 Flash Point—Test Method D92.
3. Classification
6.1.6 Pitch Soluble in Carbon Disulfide—Test Method D4.
3.1 Coal-tar pitches covered by this specification include
6.1.7 Ash—Test Method D2415.
two types:
6.1.8 Distillation—Test Method D20.
1 7. Inspection and Certification
This specification is under the jurisdiction of ASTM Committee D08 on
Roofing and Waterproofing and is the direct responsibility of Subcommittee D08.03
7.1 Inspection and certification of the material shall be as
on Surfacing and Bituminous Materials for Membrane Waterproofing and Built-up
agreed upon between the purchaser and the seller. Specific
Roofing.
Current edition approved May 15, 2007. Published June 2007. Originally requirements shall be made part of the purchase contract.
approved in 1937. Last previous edition approved in 2006 as D450 – 96 (2006).
DOI: 10.1520/D0450-07.
8. Rejection and Rehearing
2
For referenced ASTM standards, visit the ASTM website,
...

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