PVB interlayer is a translucent film, PVB interlayer is mainly used for laminated glass, is between the two pieces of glass sandwiched a layer of PVB film, high pressure composite, heating from the special glass. PVB laminated glass as a result of safety, insulation, noise control and isolation of ultraviolet light and other functions, widely used in construction, automotive, photovoltaic and other industries. The Smith Barney PVB interlayers produced in special formulations also have a wide range of applications in aerospace, military and high-tech industries, such as aircraft, aerospace products, military equipment, solar cells and solar receivers.