... glass used as lamp shade,lamp cover,glass shade,light cover,light shade. lamp cover1.Raw material: ... Borosilicate glass,pyrex.2.Processing:by molding3.Glass propery:Risistence to high temperature shock4.Inside quality:clear and ... transparent5Function of glass lens:guide of light direction.6.Application:Lighting system,electronics,industries,e.g.lamp cover,lamp shade ...