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ASTM D173-03

(Specification)

Standard Specification for Bitumen-Saturated Cotton Fabrics Used in Roofing and Waterproofing

Standard Specification for Bitumen-Saturated Cotton Fabrics Used in Roofing and Waterproofing

ABSTRACT
This specification covers woven cotton fabrics saturated with either asphalt or coal-tar intended for use with asphalt based plying cement (such as mopping asphalts or appropriate solvent bearing asphaltic compounds), coal-tar based plying cement (such as coal-tar pitch or other appropriate solvent bearing coal-tar compounds), or appropriate solvent bearing bituminous materials in the construction of roofing and waterproofing systems. The dry cotton fabric shall be thoroughly and uniformly saturated with bitumen by passing the fabric through the saturant or by spraying with saturant, calendering in the presence of heat, and then cooling before winding on a core. Products shall be sampled, tested, and adhere accordingly to specified physical (breaking load in both the warp and fill directions, and pliability), and dimensional (mass, width, thread count, moisture, and ash content) property requirements. The finished product shall not crack nor be so sticky as to cause tearing or other damage upon being unrolled at a given temperature.
SCOPE
1.1 This specification covers woven cotton fabrics saturated with either asphalt or coal-tar pitch intended to be used with asphalts conforming to Specifications D 312 or D 449, coal-tar pitches conforming to Specification D 450, or appropriate solvent bearing bituminous materials in the construction of roofing and waterproofing systems.
1.1.1 Asphalt-saturated cotton fabric shall be used with asphalt base plying cement; typical ones are mopping asphalts conforming to Specifications D 312 or D 449 or appropriate solvent bearing asphaltic compounds.
1.1.2 Coal-tar-saturated cotton fabric shall be used with coal-tar based plying cements; a typical one is coal-tar pitch conforming to Specification D 450 or appropriate solvent bearing coal-tar compounds.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

General Information

Status
Historical
Publication Date
30-Nov-2003
ICS
91.100.50 - Binders. Sealing materials
Technical Committee
D08 - Roofing and Waterproofing
Drafting Committee
D08.04 - Felts, Fabrics and Bituminous Sheet Materials
Current Stage
Ref Project

Relations

Replaces
ASTM D173-97b - Standard Specification for Bitumen-Saturated Cotton Fabrics Used in Roofing and Waterproofing
Effective Date
01-Dec-2003
Replaced By
ASTM D173/D173M-03(2011)e1 - Standard Specification for Bitumen-Saturated Cotton Fabrics Used in Roofing and Waterproofing
Effective Date
01-Nov-2011

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ASTM D173-03 - Standard Specification for Bitumen-Saturated Cotton Fabrics Used in Roofing and WaterproofingASTM D173-03 - Standard Specification for Bitumen-Saturated Cotton Fabrics Used in Roofing and Waterproofing
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ASTM D173-03 - Standard Specification for Bitumen-Saturated Cotton Fabrics Used in Roofing and Waterproofing
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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: D173 – 03
Standard Specification for
Bitumen-Saturated Cotton Fabrics Used in Roofing and
1
Waterproofing
This standard is issued under the fixed designation D173; 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. This standard replaces Federal Specification
SS-C-450.
1. Scope D3775 Test Method for Warp (End) and Filling (Pick)
Count of Woven Fabrics
1.1 This specification covers woven cotton fabrics saturated
with either asphalt or coal-tar pitch intended to be used with
3. Terminology
asphalts conforming to Specifications D312 or D449, coal-tar
3.1 Definitions—For definitions of terms used in this speci-
pitches conforming to Specification D450, or appropriate
fication, refer to Terminology D1079.
solvent bearing bituminous materials in the construction of
roofing and waterproofing systems.
4. Materials and Manufacture
1.1.1 Asphalt-saturated cotton fabric shall be used with
4.1 In the process of manufacture, the dry cotton fabric shall
asphalt base plying cement; typical ones are mopping asphalts
be thoroughly and uniformly saturated with bitumen.This shall
conforming to Specifications D312 or D449 or appropriate
be accomplished by passing the fabric through the saturant or
solvent bearing asphaltic compounds.
by spraying with saturant, calendering in the presence of heat,
1.1.2 Coal-tar-saturated cotton fabric shall be used with
and then cooling before winding on a core.
coal-tar based plying cements; a typical one is coal-tar pitch
4.2 If fabric with a selvage is used, the selvage shall not be
conforming to Specification D450 or appropriate solvent bear-
5
more than 16 mm ( ⁄8 in.) wide.
ing coal-tar compounds.
4.3 The fabric shall be woven entirely from cotton fibers,
1.2 The values stated in SI units are to be regarded as the
but customary sizing materials not exceeding 8 % by weight of
standard. The values given in parentheses are for information
the moisture-free cotton shall be permitted to be used.
only.
5. Physical Properties
2. Referenced Documents
2 5.1 The material shall conform to the physical requirements
2.1 ASTM Standards:
prescribed in Table 1 and the dimensions and masses pre-
D146 Test Methods for Sampling and Testing Bitumen-
scribed in Table 2.
Saturated Felts and Woven Fabrics for Roofing and Wa-
5.2 The finished product shall not crack nor be so sticky as
terproofing
to cause tearing or other damage upon being unrolled at
D312 Specification for Asphalt Used in Roofing
temperatures between 10 and 60°C (50 and 140°F).
D449 Specification for Asphalt Used in Dampproofing and
Waterproofing
6. Workmanship, Finish, and Appearance
D450 Specification for Coal-Tar Pitch Used in Roofing,
6.1 The meshes of the fabric shall not be completely closed
Dampproofing, and Waterproofing
or sealed by the process of saturation. There shall be sufficient
D1079 Terminology Relating to Roofing and Waterproofing
porosity maintained to allow successive moppings of the
plying cement to seep through.
1
This specification is under the jurisdiction of ASTM Committee D08 on
6.2 The surface of the fabric shall not be coated or covered
Roofing and Waterproofing and is the direct responsibility of Subcommittee D08.04
with talc or other substances that would tend to interfere with
on Felts and Fabrics.
adhesion between the fabric and the plying cement. The use of
Current edition approved Dec. 1, 2003. Published December 2003. Originally
approved in 1923. Last previous edition approved in 1997 as D173 – 97b. DOI: silica or wood flour is permissible.
10.1520/D0173-03.
6.3 The surface shall be uniformly smooth and free of
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
irregularities, folds, or knots.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
D173 – 03
TABLE 1 Physical Properties of Saturated Cotton Fabrics
7.3 Determine the thread count in accordance with Test
Property Requirement Method D3775.
A
Breaking load at 21.1°C (70°F), both warp and fill 8.76 (50)
directions, min, kN/m (lbf/in.)
8. Inspection
Pliability at 0°C (32°F) no cracking
8.1 Inspection—Inspection shall be in accordance with the
A
Committee D08 recognizes the advisability of including a requirement relative
requirements of this specification.
to the percentage
...

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