... light transmittance Certification: ISO 9001, ISO14001, OHSAS18001This Halogen lamp used Quartz Pipe has the typical characteristics of ... of heat resistant material for halogen lamps, mercury lamps, metal halide lamps and other quartz lamps. This glass can be supplied ... Application: This large diameter quartz is widely used in halogen lamps, mercury lamps, single-ended lamp, automobile lamp, stage lamp, ...