T-H3001FR FLAME-RETARDANT ALUMINUM FOIL TAPE FEATURES: 1. Aluminum backing provides excellent reflection of both heat and light.2.High quality flame-resistance adhesive with super strong adhesion and holding power offers reliable and durable Foil-Scrim-Kraft Facing joints and seams sealing in HVAC ductwork application, 3. Low moisture vapor transmission rate makes T-H3001FR an excellent vapor barrier. 4. Service Temperature range from -20Deg to +80Deg (-4F to +176F).TYPICAL PHYSICAL PROPERTIES:PROPERTIES METRIC ENGLISH TEST METHODFoil Backing 30 Micron 1.2 Mil PSTC-33Total Thickness (Foil + Adhesive) 70 Micron 2.8 Mil PSTC-33Peel Adhesion to Stainless Steel 25 N/25mm 90 Oz./In. PSTC-1Peel Adhesion to Backing 25 N/25mm 90 Oz./In. PSTC-1Rolling Tack (11mm ball) 20 cm 8.0 In. PSTC-6Holding Power 5,000+ Min. 5,000+ Min. PSTC-7Service Temperature Ranger -20Deg+80Deg -4 ~ +176F ----------Flame Spread 5(<5) UL723Smoke Developed 15-50(<50) UL723