... glass+PVB film+PC sheet Ballistic glassAccording to (NIJ0108.01,UL752,ASTM1233,BS5051,DIN52290,UN19187)Structure:Float glass+PVB film ... room,Office,Building,Vehicle window,and other safe place.Specifications: Protection levelBallistic performanceGlass ThicknessGlassDensityNIJ IIIA.44 Magnum20mm51kg/ m29mm FMJNIJ III7. ... / m2Machine gun12.7mm AP99mm240kg/ m2 Ballistic glass (NIJ 0108.01,ASTM1233)