... time. 2) High transparence. 3) Easy to assemble. PC hollow sheet is a very good combination property engineering plastic with excellent ... , anti-UV, fire-retardation and so on. The PC hollow sheet Widely used in public & civil construction of the lighting sunshade ... transparence.3) Easy to assemble.Specifications:1) Twin wall hollow sheet; Thickness: 4mm, 4.5mm, 5mm, 6mm, 8mm, 10mm, 12mm2) Standard ...