ASTM C473-12 PDF

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 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

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.