... weight Specifications:1) Thickness: 4mm, 6mm, 8mm, 10mm(twin-wall),12mm,14mm,16mm(triple-wall)2) Standard width : 2,100mm 3) Standard length ... stronger than glass.Easily fabricated on siteHighly flexible, our polycarbonate hollow sheet can be easily cold formed and will not crack or ... , Window replacement, Domes, Shelters, Canopies, Sheds, Walkways, Carports, Sunrooms clear polycarbonate hollow sheet