ASTM C472-99(2009) PDF

1.1 These test methods cover the physical testing of gypsum, gypsum plasters, and gypsum concrete.

1.2 The test methods appear in the following sections:

Sections Precautions for Physical Tests4 Reagents and Materials5 Free Water6 Fineness7 Normal Consistency of Gypsum Plaster8 Normal Consistency of Gypsum Concrete9 Setting Time10 Setting Time (Temperature Rise Method)11 Compressive Strength12 Density13

1.3 The values regarded as the standard are either in inch-pound units or SI (metric). The values stated first shall be regarded as the standard. Values following in parentheses are approximate and are provided for information purposes only.

1.4 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) are not requirements of the standard.

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. For a specific precautionary statement, see X1.2.1.

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Number of Pages :	8
Published :	09/01/2009