Refractory silica powder is a kind of high purity silica powder product. Because of its excellent chemical stability and high temperature stability, it is widely used in the manufacture of refractory materials and refractory coatings.
This silicon powder is made of calcium carbide and high purity quartz sand as raw materials, smelted in an electric furnace. Its uniform particle size, high purity, suitable for the manufacture of high quality refractory materials.
| Grade | Size | Chemical Comoositions(%) | ||||
| Si | Fe | Al | Ca | |||
| Mesh | Min | Max | ||||
| Silicon Powder | 180-325 | 97.0 | 0.8 | 0.7 | 0.6 | |