1.1 This test method covers procedures for testing the performance of preassembled permanently sealed insulating glass units against fogging.

1.2 This test method is applicable only to sealed insulating glass units, with one or two airspaces, fabricated for vision glass areas for use in buildings, such as sliding doors, windows, wall systems, and picture windows.

1.3 This test method is not applicable to sealed insulating glass units that are constructed from vision materials other than glass.

1.4 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

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. A Specific hazard atatement is given in Note 1.