Hollow polycarbonate sheet Specification: 1)Standard width:2100mm2)Length:less than 12000mm3)Thickness:4mm--40mm4)Colors:clear,blue,green,brown,bronze,opal,red,etc.Technical Features:1)Light weight:4mm-900g/sqm,5mm--1.1kg/sqm,6mm-1.3kg/sqm 8mm-1.5kg/sqm,10mm-1.7kg/sqm2)High impact resistance3)Good light transmission:72%-80% for clear color different thickness4)Good heat insulation(K value):4mm-4.0W/m2K 6mm--3.6W/m2K 8mm-3.3W/m2K 10mm-3.0W/m2K5)UV layer thickness:50μm ,filter about 99% ultraviolet radiation in sunshine6)The minimum bend radii for different thicknesswith standard size(2100mm*6000mm) 4mm--700mm, 5mm--875mm,6mm--1050mm,8mm--1400mm,10mm--1750mm7)Simply processed and installedApplications:1)Building/House skylights2)Work shop/storehouse skylight3)Roofing4)Carports5)Indoor partition6)Cover of greenhouse