PC 3D Printer Filament - Polymaker offers different PC filament which can meet your different needs. PolyLite PC offers excellent strength and heat resistance with light diffusing properties; PolyMax PC for extra temperature resistance and toughness and printablility; PolyMax PC-FR can slow/stop the spread of fire for flame retardant need; PC-ABS for excellent toughness and heat resistance while displaying good surface finish, PC-PBT for low temperature toughness and chemical resistance Exceptionally Strong & Heat Resistant PC Filament - 1.75mm Polycarbonate filament ( PC filament 1.75mm ) is the strongest and heat resistant of ALL the 3D filament materials that can be printed with consumer grade printers