ASTM Standard C591-22 Standard specification for unfaced preformed rigid cellular polyisocyanurate thermal insulation
Publication Year
2022
Document Status
Current
Abstract
Specifies types, physical properties and dimensions of unfaced, preformed rigid cellular polyurethane modified polyisocyanurate plastic material for use as thermal insulation on surfaces.
Document History
Supersedes ASTM C591-21.
Publisher Information
American Society for Testing and Materials
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