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ASTM C472-20

Current Revision

Standard Test Methods for Physical Testing of Gypsum, Gypsum Plasters and Gypsum Concrete

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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:

 

Precautions for Physical Tests

4

 

 

Reagents and Materials

5

 

 

Free Water

6

 

 

Fineness

7

 

 

Normal Consistency of Gypsum Plaster

8

 

 

Normal Consistency of Gypsum Concrete

9

 

 

Setting Time

10

 

 

Setting Time (Temperature Rise Method)

11

 

 

Compressive Strength

12

 

 

Density

13

 

1.3 The values regarded as standard are either in inch-pound units or SI (metric). The values stated first shall be regarded as the standard. The values given in parentheses are mathematical conversions that are provided for information only and are not considered standard.

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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For a specific precautionary statement, see X1.2.1.

1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


These test methods cover the physical testing of gypsum, gypsum plasters, and gypsum concrete. Test methods are detailed for the following: precautions for physical tests, reagents and materials, free water, fineness, normal consistency of gypsum plaster and gypsum concrete, setting time, setting time (temperature rise method), compressive strength, and density. Materials include distilled or deionized water and standard sand. For each test method, the following are specified: significance and use, apparatus, and procedure.


SDO ASTM: ASTM International
Document Number C472
Publication Date April 1, 2020
Language en - English
Page Count 9
Revision Level 20
Supercedes
Committee C11.01
Publish Date Document Id Type View
April 1, 2020 C0472-20 Revision
May 10, 1999 C0472-99 Revision
April 1, 2014 C0472-99R14 Reaffirmation
Sept. 1, 2009 C0472-99R09 Reaffirmation
May 1, 2004 C0472-99R04 Reaffirmation