The rich resources of refractory raw materials in China are briefly described, with emphasis on bauxite, magnesite and graphite.
简要叙述我国丰富耐火原料资源，尤其是高铝矾土、菱镁矿和石墨的概况。
2
The main refractory of the coating consists of the 75~200 mesh chromite sand, magnesite and corundum sand.
这种涂料的主要耐火骨料是75~200目铬铁矿砂、 镁砂、 刚玉砂等。
3
A magnesite dry refractory ramming material used in tundish lining of electric furnace is researched, with electrically fused magnesite as main raw material and solid phenolic resin as bonding agent.