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Scope

1.1 This specification covers various grades of anhydrous calcined gypsum known as gypsum Keene's cement, designed for use in the base and finish coats of gypsum plaster.

Note 1-The setting time is accelerated by the addition of other materials. Note 2-Keene's cements are generally available as quick-setting and standard-setting types. However, various grades of gypsum Keene's cement of different fineness and setting time are available. Grades intended for use in Scagiola castings and other special purposes should conform to the requirements of this specification in all respects except fineness and setting time.

1.2 The values stated in inch-pound units are to be regarded as the standard. The SI units in parentheses are for information purposes only.

1.3 The text of this specification references notes and footnotes that provide explanatory material. These notes and footnotes shall not be considered as requirements of the specification.

1.4 The following safety hazards caveat pertains only to the test methods portion, Section 7, of this specification: 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.

Keywords

nhydrous gypsum; gypsum Keene's cement, spec., ; Gypsum Keene's cement; gypsum Keene's cement, spec., ; Gypsum plaster; gypsum Keene's cement, spec., ; Keene's cement; gypsum Keene's cement, spec., ; Plaster; gypsum Keene's cement; ICS Number Code 91.100.10 (Cement. Gypsum. Lime. Mortar)

To find similar documents by ASTM Volume:

04.01 (Cement; Lime; Gypsum)

To find similar documents by classification:

91.100.10 (Cement. Gypsum. Lime. Mortar)

To find similar documents by Federal Supply Class Code:

FSC 5610 (Mineral Construction Materials, Bulk)

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