PVB film is translucent membrane, inorganic glass has good adhesion with a transparent, heat, cold, high mechanical strength properties, it is a laminated glass with the best adhesive material. PVB film can absorb impact energy, no broken films, which are widely used in automotive safety glass, high-rise buildings, bank counters, all kinds of bulletproof glass. While having safety performance, there are excellent noise, light control, thermal insulation, earthquake and other properties, it is the world's best safety glass processing materials. - See more at: http://www.shgwell.com/informationclass_25/information_170.shtml#sthash.Bk3HlG0I.dpuf