Aluminium Foil Butyl Sealing Tape The XUNDA T700 consists of a aluminum foil or aluminum-polyester backing laminated with rubberized bitumen or butyl rubber. The Xunda T700 Aluminium Foil Butyl Sealing Tape is a cold applied coating system designed for the corrosion protection water, oil gas underground or aboveground pipelines, protecting insulation coatings ,UV resistance and waterproofing for the windows,roofs ,wall and other building joints. The system can be applied by hand or with a wrapping machine. Alu Flashing Tape (T 700) Ⅰ DESCRIPTION Aluminum Foil Butyl tape is a kind of self-adhesive waterproof sealing tape which is made by advanced technology with butyl rubber as the raw material . It has strong adhesion to all kinds of material surface , at the same time it has excellent weat…