1.1 This specification covers high-temperature fiber blanket thermal insulation for use at various temperatures from 1350F (732C) up to 3000F (1649C), except when used in high-temperature furnaces.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.1.2 W