Silicon Dioxide (SiO2) We provide a variety of high quality quartz products both in transparent and milky appearance including granule, tablet, disc, plate, rod, tube, crucible, and sputtering target. 1) SiO2 granule 2) SiO2 tablet 3) SiO2 disc/plate 4) SiO2 rod 5) SiO2 tube 6) SiO2 crucible 7) SiO2 sputtering target             We also supply customer-made SiO2 products upon your request.