HH-I-1972/1
August 12, 1981
FEDERAL SPECIFICATION
INSULATION BOARD, THERMAL, POLYURETHANE OR POLYISOCYANURATE,
FACED WITH ALUMINUM FOIL ON BOTH SIDES OF THE FOAM
This specification was approved by the Commissioner, Federal Supply
Service, General Services Administration, for the use of all Federal
agencies.
This specification forms a part of the latest issue of Federal
Specification HH-I-1972/GEN.
1 SCOPE AND CLASSIFICATION
1.1 Scope. This specification covers the requirements for faced thermal
insulation boards composed of rigid cellular polyurethane or polyisocyanurate
foam faced with aluminum foil on both sides of the foam. This specification
does not cover cryogenic applications. For intended use see 6.1 of
HH-I-1972/GEN.
1.2 Classification. Unless otherwise specified (see 6.2 of HH-I-1972/GEN),
the thermal insulation boards shall be at the manufacturer's option either
class 1 or 2, and shall meet the physical requirements of 3.3, table I.
Class 1 - Nonreinforced polyurethane or polyisocyanurate foam.
Class 2 - Glass fiber reinforced polyurethane or polyisocyanurate foam.
2. APPLICABLE DOCUMENTS
2.1 Latest issue of HH-I-1972/GEN and documents referenced therein.
3. REQUIREMENTS
3.1 Materials. The thermal insulation boards shall conform to the
material requirements of the basic specification HH-I-1972/GEN and 3.1.1.
3.1.1 Facing materials. Unless otherwise specified (see 6.2 of
HH-I-1972/GEN), the facing material incorporated in the design of the faced
thermal insulation board shall, at the manufacturer's option, be either
supported aluminum foil or unsupported aluminum foil on both side of the
foam. The facing material shall meet the requirements of 3.1.1.1 or 3.1.1.2.
3.1.1.1 Unsupported aluminum foil. The metallic composition of unsupported
aluminum foil facing material shall not be less than 99 percent aluminum.
FSC 5640
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