... pipeAcoustic insulation rock wool blanket;rock wool coated with metal mesh,fiber glass cloth,fiberglass blanket,aluminum foil Generally the ... than 650’C environment. The surface may be coated with metal mesh (single side, double sides), fiberglass cloth (single side, ... 100900—4000600—1300process glass cloth, aluminum foil, or glass mesh outside of the rock wool board8040~10011030~10012030~9014030~ ...