Material:Two pieces of float glass & one piece of PVB film Production principle:Sandwich glass is also known as laminated glass,generally used in the front of the car.Production principle is to clamp a layer of film in the middle of the two panes of glass, then heated,pressurized,the middle layer cools after melted.Laminated glass has these two features:hard,ductile than any other glass.Moreover, the middle layer can block the penetration of foreign bodies. Features:1.Good adhesion,strong resistance to impact,and the protection to person is strong.2.Laminated glass can reduce 27% of opposite resistance in traffic accident.3.The existence of the middle layer that makes the sound-proofing function of laminated glass is better than the ordinary glass. Advantages:1.Color, size can be as your requirement.2.Safe and fast delivery.3.Small trial order supported.4.There is a dicount for large quantity order.5.High quality and low price.