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Standard ASTM C22/C22M-00(2021) 1.4.2021 preview

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ASTM C22/C22M-00(2021)

Standard Specification for Gypsum

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STANDARD published on 1.4.2021


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The information about the standard:

Designation standards: ASTM C22/C22M-00(2021)
Publication date standards: 1.4.2021
SKU: NS-1024044
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: American technical standard
Category: Technical standards ASTM

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The category - similar standards:

Cement. Gypsum. Lime. Mortar

Annotation of standard text ASTM C22/C22M-00(2021) :

This specification covers gypsum, calcium sulfate combined with two molecules of water in crystalline form. If necessary, gypsum shall be crushed or ground, or both, to the size specified. Different test methods shall be performed in order to determine the chemical composition and physical properties of gypsum.

Keywords:

calcium sulfate, gypsum ,, ICS Number Code 91.100.10 (Cement. Gypsum. Lime. Mortar)

Additional information

 
1. Scope

1.1?This specification covers gypsum, calcium sulfate combined with two molecules of water in crystalline form and having the approximate chemical formula CaSO4?2H2O.

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.

1.3?The text of this specification references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the specification.

1.4?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.
 
2. Referenced Documents

C471M-20ae1

Standard Test Methods for Chemical Analysis of Gypsum and Gypsum Products (Metric) (Includes all amendments and changes 6/2/2021).

C11-23

Standard Terminology Relating to Gypsum and Related Building Materials and Systems

C472-20

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

Latest update: 2024-12-23 (Number of items: 2 217 157)
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