... unbreakable glass is made of polycarbonate , it's good material for partition of bank window,also good for bathroom partition Unbreakable glass is made of polycarbonate ... degree centigrade.4)Light weight: only 1/12 of the weight of glass in the same thickness.5)Ultravoilet resistance : ... Specification1)Whole thickness:1.5mm,2mm,3mm,4mm,5mm,6mm,8mm,10mm,12mm2)Width:1220mm,1560mm,1820mm,2100mm,2150mm3) ...