This standard is issued under the fixed designation C 631; 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. | Designation C 631 95a Reapproved 2000 Standard Specification for Bonding Compounds for Interior Gypsum Plastering1 This standard is issued under the fixed d ii r atic n C631 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. 1. Scope This speci iì covers minimum r cpUt lm Uís for bonding compounds for adhering interior gypsum plaster to structurally sound surfaces. This specification also covers ft s im HK o for dclcrmin-ing performance requirements and physical properties. The values stated in inch-pound units are to be regarded as the standard. The SI equivalents of inch-pound units are approximate. The following safety hazards caveat pertains only to the test methods described in 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. 2. Referenced Documents ASTM Standards C 11 Terminology Relating to Gypsum and Related Building Materials and Systems2 C 28 Specification for Gypsum Plasscrs2 C 472 Test Methods for Physical Testing of Gypsum Gypsum llasters and Gypsum Concrete2 C 511 Specification for Moiss c biirets M i s Rooms and Water Storage Tanks Used in the Testing of Hydraulic Cements and Concretes2 3. Terminology Definitions For definitions relating to gypsum and related building materials and systems see Terminology C 11. 4. Physical Properties General The bondhig compound shal 1 be a film forming non-oxidizing non-toxic non-ll mim blte composition suitable for application by brush roller and spray. The compound shall be tinted to show by .
