Polar-Ply RB-GB is made of high-quality aluminum foil laminated to both sides of 65 lbs. machine glaze kraft paper with a proprietary flame retardant/water resistant adhesive.
Polar-Ply RB-GB is made of high-quality aluminum foil laminated to both sides of 65 lbs. machine glaze kraft paper with a proprietary flame retardant/water resistant adhesive.
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