Designation: C 472 – 99 AMERICAN SOCIETY FOR TESTING AND MATERIALS 100 Barr Harbor Dr., West Conshohocken, PA 19428 Reprinted from the This standard is issued under the fixed designation C 472; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon (e) indicates an editorial change since the last revision or reapproval. This standard has been approved for use by agencies of the Department of Defense. . | Designation C 472 99 AMERICAN SOCIETY FOR TESTING AND MATERIALS 100 Barr Harbor Dr. West Conshohocken PA 19428 Reprinted from the Annual Book of ASTM Standards. Copyright ASTM Standard Test Methods for Physical Testing of Gypsum Gypsum Plasters and Gypsum Concrete1 This standard is issued under the fixed d ii r atic n c 472 the number immediately fc llc Wr ig the designation indicates the year of original adoption or in the case of revision the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon e indicates an editorial change since the last revision or reapproval. This standard has been approved for use by agencies of the Department of Defense. 1. Scope These test methods cover the physical testing of gypsum gypsum plasters and gypsum concrete. The test methods appear in the following sections 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 The values regarded as the standard are either in inch-pound units or SI metric . The values stated t sludlbc regarded as the standard. Values following in parentheses are approximate and are provided for information purposes only. The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes excluding those in tables and hịgiress are not requirements of the standard. 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 . 2. Referenced Documents ASTM Standards C 11 Terminology Relating to Gypsum and Related .
