... : 80 times that of glass,15 times that of acrylic sheet.3Temperature resistance range:-40~120 degree centigrade.4)Light weight ... ,18mm.4)Color:clear,lake blue,blue,grass green,opal,grey,red,brown,black and so on.5)Customized colors and ... agri culture greenhouses and sheds. 10 years' guarantee Polycarbonate Hollow Sheet