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Construction: Heat Sealing Aluminium Foil: Corrosion resistance Coating/Foil: 7 Microns/heat resistantadhesive/Kraft: 60 or 50gsm /Two-way Scrim/PE coating: 25Micons Application: Heat sealing aluminum foil facing is suitable for on-line laminating with insulation materialssuch as glass wool blanket, rock wool board and mineral wool by heating. FSK insulation facing to block radiant heat coming into house through the roof and walls during the summer and retain indoor heat generated during the winter.heat sealing alu facingused as a water vapor barrier in air conditioning ductworks and cold rooms. Benefit: Foil scrim kraft facing: No need applying extra adhesive. Better corrosion resistance. Does not contain hazardous chemicals or harmful materials that cause itching or respiratory problems. A radiant barrier stops 97% of radiant heat transfer which improves the performance of the insulating material.. Scrim reinforced for strength and durability Roll Width: 1.2M, 1.25M Roll Length: Up to 2500M..