Область применения

1.1 These test methods cover the physical testing of joint compound, paper joint tape, and an assembly of joint compound and paper joint tape.

1.1.1 Joint treatment materials are specified in Specification C 475.

1.2 The test methods appear in the following order:

SectionJoint Compound Tests:Viscosity 5Shrinkage 6Check Cracking 7Putrefaction 8Paper Joint Tape Tests:Tensile Strength 9Dimensional Stability 10Width 11Thickness 12Assemblages of Paper Joint Tape and Joint Compound:Bond of Paper Joint Tape to Joint Compound 13Cracking of Joint Compound at Tape Edges 14

1.3 The values stated in inch-pound units are to be regarded as the standard. The SI (metric) values given in parentheses are approximate and are provided for information purposes only.

1.4 The text of this standard 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 standard.

1.5 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.