This standard is issued under the fixed designation C 473; 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 (e) indicates an editorial change since the last revision or reapproval. | Designation C 473 00 Standard Test Methods for Physical Testing of Gypsum Panel Products1 This standard is issued under the fixed d ii r atic n C473 the number immediately fc llc Wr ig 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 e indicates an editorial change since the last revision or reapproval. 1. Scope These test methods cover the physical testing of gypsum panel products. 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 Deflection 14 End Squareness 15 Nominal Thickness 16 Recessed- or Tapered Edge Depth 17 Width 18 Length 19 Water Resistance of Core-Treated Water-Repellent Gypsum Panel Products 20 Surface Water Resistance of Gypsum Panel Products with Water-Repellent Surfaces 21 The text of these test methods references notes and footnotes that provide explanatory material. These notes and footnotes excluding those in tables and figures. shah 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. 2. Referenced Documents ASTM Standards C 11 Terminology Relating to Gypsum and Related Building Materials and Systems2 D 3285 Test Method for Water Absorptiveness of Nonbibu-lous Paper and Paperboard Cobb Test 3 E 4 Practices for Force Veri ní n of Testing Mr lúm s4 3. Terminology De nitions used in these test methods are in accordance 1 These test methods are under the jurisdiction of ASTM Committee C-11
