Laminated glass is formed as sandwich of 2 sheets of glass,between which is bonded together with a tough and thermoplasticpolyvinyl butyral (PVB) interlayer under heat and pressure.Laminated glass is truly the safety glass,once the glass breaks,itsscraps will conglutinate with the PVB membranes firmly,which avoidsharm towards people and objects owing to the fall of the glassscraps. The laminated glass has strong resistant capability towardsvicious damange,steal and violence invasion.