Description: Combine two or three glass (tempered or not tempered) with the pvb glue film. The thickness of the glue film could be 0.38mm, 0.76mm and 1.52mm. And then pre-heated, high-pressured and vapored. These kinds of glass have strong strength for anti-impact. Class: Marine laminated glass, auto laminated glass, hospital laminated glass, armed anti-bullet laminated glass. Specification: 3mm+0.38mm+3mm, 3mm+0.76mm+3mm, 4mm+0.76mm+4mm, 5mm+1.52mm+5mm, 8mm+1.52mm+8mm. Usage: Be able to used in the field of auto, ship, airplane, armed weapon and anti-bullet car