... 4.fire-retardant 5.light weight Specifications:1) Thickness: 4mm, 6mm, 8mm, 10mm(twin-wall),12mm,14mm,16mm(triple-wall)2 ... thickness with standard size(2100mm*6000mm)4mm--700mm,5mm--875mm,6mm--1050mm,8mm--1400mm,10mm—1750mm,12mm--2100mm,14mm--2450mm,16mm ... times stronger than glass.Easily fabricated on siteHighly flexible, our polycarbonate hollow sheet can be easily cold formed and will not crack or ...