... tapes are activated by heat, and used for waterproofsewn seam of fabrics, and are also formulated to achieve the strongest ... seam sealing tapes are widely used in the production of waterproofproducts, such as tent, rainwear, ski-wear, sports wear, diving dress, ... suits, police vestment, army field wear, advertisement balloon. They aremade of various materials, such as PU, pure PU, PE, rubber ...