... coke (C) as raw materials at a high temperature of 1800 Celsius or above, featured by high hardness, small ... deoxidant in abrasives, grinding of electronics, refractory, special ceramics, foam ceramics, modification of coating and plastics, auto parts, war industry and aviation, ... .5Note: Silicon carbide sand and powder for deoxidization of steelmaking in specification of 50, 60, 70, 80 and 90 can ...