... Tape is Suited to airproof seal,aluminium board ,joint of polyurethane foam and other special occasions Fiberglass TapeITEM: QCA ... 72HGlass fiber is a high-performance inorganic non-metallic materials . Components of lilica, alumina, calcium oxide,boron oxide, magnesium oxide sodium ... winder,weaving and other technology, Finally a variety of products.Glas fiber characteristics:1)High tensile strength, ...