ITEM NAME:Tape Aluminum Foil Adhesive Waterproof Duct Tape Pipe Repair Crack Thicken Buty Descriptio n Description: 100% brand new and high quality. Extremely high tensile strength and stability. High coefficient of heat transfer, ideal for HVAC, ducting repairs, sealing and masking for chemicals and oil. Aluminum foil tape is processed with pure aluminum and adhesives ,the metal has good strength and extensibility. Heat resistance, water, conductive, anti interference effect, radiation protection, etc. Used in pipes and other applicable to refrigeration, such as indoor air.Specifications:Material: Aluminum Foil + Butyl. We'd like to settle any problem in a friendly manner. Heat resistance, water, conductive, anti interference effect, radiation protection, etc. High coefficient of heat transfer, ideal for HVAC, ducting repairs, sealing and masking for chemicals and oil.