Sonya Ceramics manufactures Magnesium Silicate Beads with High Volume Resistivity. Sonya Ceramics is an ISO 9001 certified company. Sonya Ceramics also manufactures Ceramic items made from Porcelain, Steatite, Cordierite Refractory, Cordierite Tube and Thermo Couple Heads, Insulators, Alumina Refractory and High Alumina of different grades. The Magnesium Silicate Beads with High Volume Resistivity is used for insulation of wire where plastic coating can not be used.