ASTM C1126 - 19 - Standard Specification for Faced or Unfaced Rigid Cellular Phenolic Thermal Insulation

ASTM C1126 - 19

Standard Specification for Faced or Unfaced Rigid Cellular Phenolic Thermal Insulation

Status : Current   Published : April 2019



1.1 This specification covers faced or unfaced, rigid cellular phenolic thermal insulation. Boards shall be faced or unfaced. Tubular forms and board cut from a block or bun covered by this standard shall be unfaced. It does not apply to field expanded cellular phenolic materials.

Note 1:  If a facer or vapor retarder is to be used for the tubular form or board, then refer to Practice C921.

1.2 Materials covered by this specification are used as roof insulation; sheathing or rigid board for non-load bearing, building material applications; and pipe or board insulation cut from a block or bun for use between −40 and 257°F (−40 and 125°C). Type II and Type III materials with an appropriate vapor retarder covering on the warm surface are used to a lower temperature limit of −290°F (−180°C). (See 7.3.)

1.3 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.

1.4 This specification covers closed cell rigid cellular phenolic thermal insulation manufactured using blowing agents with an ozone depletion potential of 0 (ODP 0).

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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

For specific precautionary statements, see Section 16.

1.6  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.

Standard NumberASTM C1126 - 19
TitleStandard Specification for Faced or Unfaced Rigid Cellular Phenolic Thermal Insulation
Publication Date01 April 2019
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
File Size105 KB

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