High Purity Silicon Dioxide SiO2 powder CAS 7631-86-9, 99.9%
Silicon dioxide is also called silica. It's an oxide of silicon and has the chemical composition SiO2. Silica, which includes silica found in quartz and quartz sand, is collectively called silica.Size of the particle: 10-30nm Purity: 99.5-99.9%