Quartz Glass Tube Series Quartz glass tube:Feature: With very low expansion coefficient, high temperature resistance, ... , Opaque, Ruby, UV BlockSPEC.: from 3MM to 500MM, depends on customer’s requirementFactory Advantages: Experienced to make 214, 214P, 214A, and 214AAApplication: It ... , electriccooker, electricity oven, surface drying, automobile paint baking, etc. Quartz Glass tube