glass lens from borosilicate glass used as PAR series,Reflector,PAR lamp 1. Raw material: Borosilicate glass,2 ... :clear and transparent4. Resistance to high temperature shock5. Application: Lighting system, Electronics,Industries, e.g. Lamp cover, Lamp shade, Stage ... lens, Front lens, Refractor, Molded lens, Spot lens, Lighting shade, Lighting cover,PAR lamp series,PAR series,Glass lenses,Reflector,