... of hollow polycarbonate sheet:hollow polycarbonate sheet.Features:1) Light transmission: up to 88%2) Impact resistance: 250- ... of acrylic sheeting3) Temperature resistance range: -40 ~ 120oC4) Light weight: only 1/12 of the weight of glass of ... , bronze, gray, red,bronze( brown),blue-green,light- green,clear,black,clear-embossed,light-embossed,blue-embossed5) Customized colors and dimensions available ...