Quartz Glass Tube Series Quartz glass tube:Feature: With very low expansion coefficient, ... of semiconductor, metallurgy, chemicals, lighting resources, building materialsType: Clear, Opaque, Ruby, UV BlockSPEC.: from 3MM to 500MM, ... heating, such ad heater, sterilization tank, microwave oven, electriccooker, electricity oven, surface drying, automobile paint baking, etc. Quartz Glass tube