... more pieces of glass with layers of Polyvinyl Butyral. (PVB) interlayer, under heat and pressure, to create a single ... used in areas such as defense, industry, transportation construction etc.Pvb film SpecificationsThickness: normal thickness 0.38mm, 0.76mm, 1 ... such as Europe, Russia, Middle East, Turkey, Thailand, etc. auto glass pvb film,PVB film, PVB interlayer film, PVB film for laminated glass