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FED HH-I-1972/5
- INSULATION BOARD, THERMAL, POLYURETHANE OR POLYISOCYANURATE FACED WITH PERLITE BOARD ON BOTH SIDES OF THE FOAM (NO S/S DOCUMENT)
- standard by Federal Specifications and Standards, 08/12/1981
- Publisher: FED
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This specification covers the requirements for faced thermal insulation boards composed of rigid cellular polyurethane or polyisocyanurate faced with perlite board on both sides of the foam. This specification does not cover cryogenic applications. Includes Validation notice 1 (2/7/1991).
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