ASTM C1917-23 PDF

SCOPE 1.1 This specification covers rigid polyvinyl (PVC) jacketing for thermal and acoustical insulation for pipe, rigid tubing and equipment operating at either above or below ambient temperatures in non-direct sunlight exposure. 1.2 This material specification does not cover exposure to direct sunlight. Refer to manufacturer’s guidelines for direct sunlight exposure. 1.3 This specification does not address PVC jacketing used as fitting covers over thermal insulation. 1.4 This is a material specification and does not cover insulation systems of which this material is a component, nor imply that an installed insulation system using these materials will provide the physical properties and performance characteristics specified in Section 7. 1.5 This material specification does not cover sizing calculations or installation of rigid PVC jacketing. 1.6 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.7 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.8 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.