... lines 5.Good qualities Polycarbonate Sheet ( PTBOFAN),PC sheetSpecifications:1) Thickness: 4mm, 4.5mm, 5mm, 6mm, 8mm, ... width: 2, 100mm3) Length: Any dimension4) Specific gravity: 1.25) Color: Clear, blue, green, opal, brown, blue ... green etc.1) Impact strength: The impact strength of solid PC ... Thermal insulation: The K-value of glass is 1.2 times that of solid a PC sheet ...