lamp cover: Pattern glass lens by borosilicate glass used as lamp shade,lamp cover,glass shade,light cover,light shade. lamp cover1.Raw material: Borosilicate glass,pyrex2.Processing: by molding3.Glass propery:Risistance to high temperature shock4.Inside quality:clear and transparent5.Function of glass lens:guide of light direction.6.Application: Lighting system,electronics,industries,e.g.lamp ...