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