opaque, transparent, twin born quartz glass tube

Opaque quartz tube is widely used in far infrared heating field and drying equipments. Outer diameter: 3-60mm Wall thickness: 0.5-5mm Length: 40-3000mm Transparent quartz tube is widely used in heating, lighting, electronics, semiconductor, optical fiber field and so on. Outer diameter: 3-100mm Wall thickness: 0.5-5mm Length: 40-2000mm Twin born (double hole) quartz tube, transparent, can be done with gold plateing. Gently using size: OD of single hole x OD of double holes: 8x17mm, 11x23mm, 16x33mm Length: 400-3000mm Please contact us for more details. quartzproducts at 163 dot com