Optical PMMA Sheet is produced by dustless extrusion process that in combination with the 20 years producing experience and the most advanced high precise optical material producing technology. Its main raw material is PMMA. It has good weather resistance, thermal stability, high transparency and glossiness, simultaneously has stabilizes characteristic in physics, chemistry, optics and electricity etc. It can be widely used to backlight module of LCD with big size and the scanner etc. This product is awarded the State-Level Major New Product. Product Features: High light transmittance, High purity, High brightness, superior weather resistance Application LCD display, Backlight module, scanner.