Waterproofing mastic tape with aluminium foil coated butyl Sealing Waterproofing aluminum foil tape is based on butyl rubber, high polymer resin and high quality tackifier with the surface materials like EPDM, polyethylene film, aluminum foil and non woven,etc. The product has strong bond performance and self-healing performance, suitable for high and low temperature environment construction.Mostly the alumiumium foil and non-woven as backing material more popular. XUNDA T700--Aluminum Coating System Ⅰ.System Description The Xunda T700 is a cold applied coating system designed for the corrosion protection water, oil gas underground or aboveground pipelines, protecting insulation coatings ,UV resistanceand waterpro…