Hollow polycarbonate sheeting is an engineering plastic of excellent integration capability. Features:1) Light ... Sound and heat proof8) Polycarbonate sheet is an engineering plastic of excellent integration capability. It has outstanding physical, ... .9, 1.3, 1.5, 1.7,5) Colors: clear, lake blue, green, blue, opal, brown, silvery gray, ... colors and dimensions are available upon requests. plastic panel