... transmittance Certification: ISO 9001, ISO14001, OHSAS18001This large diameter quartz tube has the typical characteristics of hiht purity, good spectral ... 1010permittivity(@1MHZ)3.755.86 Application: This large diameter quartz is widely used in halogen lamps, mercury lamps, ... copiers lights, water treatment lamp casing, all kinds of quartz vessels, pipelines and other fields.If you are interested in ...