Standard Historical Last Updated: Dec 31, 2010 Track Document
ASTM C473-09

Standard Test Methods for Physical Testing of Gypsum Panel Products

Standard Test Methods for Physical Testing of Gypsum Panel Products C0473-09 ASTM|C0473-09|en-US Standard Test Methods for Physical Testing of Gypsum Panel Products Standard new BOS Vol. 04.01 Committee C11
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Abstract

These test methods cover the physical testing of gypsum panel products. The test methos appear in the following order: (1) flexural strength (Method A); (2) core, end, and edge hardness (Method A); (3) nail pull resistance (Method A); (4) humidified deflection; (5) end squareness; (6) nominal thickness; (7) recessed- or tapered-edge depth; (8) width; (9) length; (10) water resistance of core-treated water repellant gypsum panel products; and (11) surface water resistance of gypsum panel products with water-repellant surfaces. For use in these test methods, a sample shall consist of gypsum panel products. Flexural properties of gypsum panel products are evaluated by supporting the specimen near the ends and applying a transverse load midway between the supports. The core, end, and edge hardness of gypsum panel products is evaluated by determining the force required to push a steel punch into the area of test. The ability of gypsum panel products to resist nail pull-through is evaluated by determining the loaded required to push a standard nail head through the product. The humidified deflection of gypsum panel products is evaluated by supporting a specimen that has been cut with the long dimension perpendicular to the machine detection, supported horizontally, and subjected to high humidity.

Scope

1.1 These test methods cover the physical testing of gypsum panel products.

1.2 The test methods appear in the following order:

Section
Flexural Strength (Method A) 7
Core, End and Edge Hardness (Method A) 8
Nail Pull Resistance (Method A) 9
Flexural Strength (Method B)11
Core, End and Edge Hardness (Method B)12
Nail Pull Resistance (Method B)13
Humidified Deflection14
End Squareness15
Nominal Thickness16
Recessed- or Tapered Edge Depth17
Width18
Length19
Water Resistance of Core-Treated Water-Repellent
Gypsum Panel Products

20
Surface Water Resistance of Gypsum Panel Products
with Water-Repellent Surfaces

21

1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.4 The text of these test methods 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 these test methods.

1.5 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 limitations prior to use.

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Details
Book of Standards Volume: 04.01
Developed by Subcommittee: C11.01
Pages: 16
DOI: 10.1520/C0473-09
ICS Code: 91.060.10; 91.100.10