... (SIO2), anthracite or petroleum coke (C) as raw materials at a high temperature of 1800 Celsius or above, featured ... widely used as a deoxidant in abrasives, grinding of electronics, refractory, special ceramics, foam ceramics, modification of coating and plastics, ... carbide is mainly used in steelmaking and ironmaking industry and refractory industry, such as stemming, trough material, silicon carbide ...