Fused quartz is made from the melting and refusing of crushed natural crystalline quartz. features high purity (>99.99%), good physical and chemical properties, tight tolerances, and low -OH content. Quartz products are used in a variety of applications by our customers. The low coefficient of thermal expansion of quartz provides excellent stability and resistance to thermal shock over large temperature excursions and wide thermal operating range. Quartz produts widely used in chemical industry, semiconductor industry, solar industry, Optical industry, electrical insulation, and anti-corrosion sewage pipeline. We also offer UV-cutoff tubing, ozone free tubing, irregular-shaped tubing and quartz rods. And any quartz produts on request.