We can produce clear quartz tubes, quartz windows, quartz plates (sheets), UV stop quartz tubes, UV-C lamps, UV ozone free quartz tubes, clear quartz rods, opaque quartz rods, carbon fiber heaters and rose quartz tubes. We can provide high quality products with reasonable price Detailed Selling Lead Description 1.Specifications: 1) Outer diameter: 4 - 80mm 2) Thickness of wall: 0.5 - 5mm 3) Pectral transmission at 500nm: < 10% 4) SiO2: > 99.5% 2. Fused quartz rod Transparent quartz rods are made of high purity crystal flour. It was pulled out from high temperature melting furnace. Using world advanced technology and equipment, after testing and improving, the outer surface and inner quality of the products meet international standard. The surface is smooth and the tube is colorless, sio2>99.99%. The properties of the rods are: High purity; abrasion resistance fire resistance low coefficient of thermal expansion, excellent electrical property. It is widely used in electronics, semiconductor, optical fiber field and so on. Specifications: Diameter:2-30mm Length:40-1500mm Density:2.2g/cm2 Hardness: Mohs 6.7 Packing: Bubble plastic + carton + wooden box. Production capability:500mt/year. Contact: Qiu Feng Tel: 86-0516-88902126 Fax: 86-0516-88983632 E-mail: xxxxx