1.1 This specification covers the types, physical properties, and dimensions of cellular polypropylene intended for use as thermal insulation for temperatures from - 150 to + 240°F (-101 to + 116°C).

1.2 The use of thermal insulation materials covered by this specification is regulated by codes and standards that address fire performance.

1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are provided for information only.

1.4 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.