Fused silica powder Fused silica micro-powder is made from fused silica by milling, getting rid of the impurity. Its is fine particle, big ratio of surface area, strong hardness, low coefficient of heat expansion, high coefficient of heat conduction and super insulation. It can scatter itself in organics and moisten, It has super strong chemical inertia. The product can be used to be the filled composite with the epoxy resin or polyester. It is widely used in the field of electron, plastic, resin and refractory.
Chemical Analysis And Particle Size Distribution/Specification First Grade Second Grade Third Grade
Chemical Analysis Data SiO2(%) 99.93-99.97% 99.80-99.93% 99.5-99.80%
Al2O3(ppm) 120ppm 200ppm 300ppm
Fe(ppm) 50ppm 50ppm 200ppm
CaO(ppm) 28ppm 36ppm 50ppm
MgO(ppm) 6ppm 8ppm 10ppm
Na2O(ppm) 30ppm 40ppm 50ppm
TiO2(ppm) 9ppm 10ppm 12ppm
K2O(ppm) 31ppm 40ppm 50ppm
LiO2(ppm) 9ppm 10ppm 15ppm
Particale Size 200mesh-3000mesh(D50:2um-20um),The detailed size distribution according to client's requirement