1.1This test method covers a laboratory procedure for determining the weight loss after heat aging of preformed tape sealants.

Note 1-Test Method C681 describes a weight loss or volatility test for knife-grade glazing compounds.

1.2The values stated in acceptable metric units are to be regarded as the standard. The values given in parentheses are for information only.

1.3The subcommittee with jurisdiction is not aware of any similar ISO standard.

1.4This 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.