... orange,black,grey,white,milkwhite,purple, violet,green etc.4)PVB film norm thickness:0.38mm0.76mm1.14mm1.52mm1.90mm2.28mm2.66mm3 ... breaking, it is held in place by an interlayer, typically of polyvinyl butyral (PVB), between its two or more layers of ... Shopfront glazing and windshields are typically tempered laminated glass. The PVB interlayer also gives the tempered laminated glass a much higher sound ...