... temperature 5.Optical quality Optical glass lens for LED Light 1.Raw material of LED lens: Borosilicate glass, Pyrex,Optical glass2. ... Processing of glass LED lens: by Moulding,Grinding, Polishing3.Quality of LED lens: optical surface quality ,no ... scratches,4. Function of glass led lens: Guide of the light beams5. Application of Optical glass led lens: Lighting system,especially ...