INSULATION BOARD, THERMAL, POLYURETHANE OR POLYISOCYANURATE FACED WITH PERLITE BOARD ON BOTH SIDES OF THE FOAM (NO S/S DOCUMENT)
隔热板 隔热 聚氨酯或聚异氰脲酸酯 泡沫两侧均贴有珍珠岩板(无S/S文件)
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).