Electrical grades of crystalline silica powder are most suitable as fillers for making epoxy impregnation compounds used in high-tension electrical transformer systems. Our silica products enhance the physical mechanical & electrical properties of the compound, and are ideal as fillers for impregnation / insulation compounds.
Spec. SiO2: 99.8% min, Al2O3: 500 ppm max, Fe2O3: 100 ppm max,
Size: 200mesh, 325mesh, 400mesh or according to your requirements,