Область применения

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

1.2 The test methods appear in the following order:

SectionFlexural Strength (Method A)7Core, End and Edge Hardness (Method A)8Nail Pull Resistance (Method A)9Flexural Strength (Method B)11Core, End and Edge Hardness (Method B)12Nail Pull Resistance (Method B)13Humidified Deflection14End Squareness15Nominal Thickness16Recessed- or Tapered Edge Depth17Width18Length19Water Resistance of Core-Treated Water-Repellent Gypsum Panel Products20 Surface Water Resistance of Gypsum Panel Products with Water-Repellent Surfaces21

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.

1.4 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.