TAILIEUCHUNG - Designation: C 630/C 630M – 00 - Standard Specification for

This standard is issued under the fixed designation C 630/C 630M; 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 630 C 630M - 00 Standard Specification for Water-Resistant Gypsum Backing Board1 This standard is issued under the fixed d ii r atic n c 630 C 630M 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. 1. Scope This speclflcation covers watcr-rcrisiant gypsum backing board that is designed primarily to be used as a base for the application of ceramic or plastic tile on walls or ceilings. This product is also suitable for decoration. Note 1 Specification C 840 contains application procedures for water-resistant gypsum backing board. The values stated in either inch-pound units or SI metric units are to be regarded separately as standard. Within the text the SI units are shown in brackets. The values stated in each system shall be used independent of the other. Values from the two systems shall not be combined. The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes excluding those in tables and gures shall not be considered as requirements of the standard. 2. Referenced Documents ASTM Standards C 11 Terminology Relating to Gypsum and Related Building Materials and Systems2 C 473 Test Methods for Physical Testing of Gypsum Board Products and Gypsum Lath2 C 645 Speciricalíon for N i 1ti 1t i id Sled Framing Mem-bers2 C 840 Speci lcation for Application a ml Finistong of Gypsum Board2 C 1264 Speciflcation for Samplmg. Inspection. Re-ection C. ertiflcation. Packaging. Marking. Stopping HínK lìin . and Storage of Gypsum Board2 E 119 Test Methods for Fire Tests of Building Construction and Materials3 3. Terminology Defitotions used in ttos spcctflcctiollsh

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