The 3M 1436 aluminum tape backed with a paper liner is suitable for sealing HVAC and air conditioning ducts, protecting surfaces from radiant heat, etc. It has excellent resistance to chemically aggressive environments. The aluminum carrier layer excellently reflects both heat and light. Low water vapor permeability offers excellent efficiency in sealing and patching. Apply to clean, dry surfaces with a temperature above 0°C. Technical specifications adhesive:rubber resin carrier:aluminum foil total thickness:0.075 mm temperature resistance:70 °C UV resistance:excellent moisture resistance:excellent