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ASTM C473-07

Historical Revision

Standard Test Methods for Physical Testing of Gypsum Panel Products

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

1.2 The test methods appear in the following order:

1.3 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.

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.


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.


SDO ASTM: ASTM International
Document Number C473
Publication Date July 1, 2007
Language en - English
Page Count 14
Revision Level 07
Supercedes
Committee C11.01
Publish Date Document Id Type View
Dec. 1, 2024 C0473-24 Revision
Oct. 1, 2019 C0473-19 Revision
Oct. 1, 2017 C0473-17 Revision
Nov. 1, 2016 C0473-16 Revision
May 15, 2015 C0473-15 Revision
Sept. 1, 2012 C0473-12 Revision
May 15, 2010 C0473-10 Revision
Sept. 1, 2009 C0473-09 Revision
July 1, 2007 C0473-07 Revision
Nov. 1, 2006 C0473-06A Revision
June 1, 2006 C0473-06 Revision
Dec. 1, 2005 C0473-05 Revision
June 10, 2003 C0473-03 Revision
Jan. 10, 2000 C0473-00 Revision