GPPS, general-purpose polystyrene, commonly known as transparent benzene, is a colorless, odorless, tasteless, lustrous, and transparent solid. Transparency 88%-92%, refractive index 1.59-1.60. Excellent electrical properties, excellent radiation resistance.
Polycarbonate, referred to as PC, is colorless and transparent, with excellent heat aging resistance, impact resistance and excellent insulation properties.
Polymethyl methacrylate, referred to as PMMA, also known as acrylic or plexiglass. High transparency, easy to machine, often used as a substitute for glass.