ASTM C474-13
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Standard Test Methods for Joint Treatment Materials for Gypsum Board Construction
ASTM International , 05/01/2013
Pages: 14
1.1These test methods cover the physical testing of joint compound, paper joint tape, glass-mesh joint tape, and an assembly of joint compound and paper joint tape.
1.1.1Joint treatment materials are specified in Specification C475/C475M.
1.1.2The joint treatment material described in this standard are for use with gypsum board installed in accordance with Specification C840.
1.2The test methods appear in the following order:
|
Section |
|
|
Joint Compound Tests: |
|
|
Viscosity |
5 |
|
Shrinkage |
6 |
|
Check Cracking |
7 |
|
Putrefaction |
8 |
|
Joint Tape Tests: |
|
|
Tensile Strength |
9 |
|
Width |
10 |
|
Thickness |
11 |
|
Paper Joint Tape Tests |
|
|
Dimensional Stability |
12 |
|
Assemblages of Paper Joint Tape and Joint Compound: |
|
|
Bond of Paper Joint Tape to Joint Compound |
15 |
|
Cracking of Joint Compound at Tape Edges |
14 |
|
Glass-Mesh Joint Tape Test |
|
|
Skewness |
13 |
1.3The values stated in inch-pound units are to be regarded as standard. The values given in brackets are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.4The text of this standard references notes and footnotes that provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.
1.5This 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 limitations prior to use.
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