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ASTM C22/C22M-00

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Standard Specification for Gypsum

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1.1 This specification covers gypsum, calcium sulfate combined with two molecules of water in crystalline form and having the approximate chemical formula CaSO4 [dot]2H2 O.

1.2 The values stated in either inch-pound units or SI (metric) are to be regarded separately as the standard. Within the text, the SI units are shown in brackets. The values stated in each system shall be used independently of the other. Values from the two systems shall not be combined.


SDO ASTM: ASTM International
Document Number C22
Publication Date May 10, 2000
Language en - English
Page Count 2
Revision Level 00
Supercedes
Committee C11.01
Publish Date Document Id Type View
May 10, 2000 C0022_C0022M-00 Revision
April 1, 2021 C0022_C0022M-00R21 Reaffirmation
Oct. 1, 2015 C0022_C0022M-00R15 Reaffirmation
Oct. 1, 2010 C0022_C0022M-00R10 Reaffirmation
Oct. 1, 2005 C0022_C0022M-00R05E01 Reaffirmation