The development on precast impact plate of magnisian tundish has been implement-ed with electromlted magnsite as the main material, adding short steel fiber, accelerant and disper-sing agent as additives.

• 以电熔镁砂为主要原料，加入短钢纤维，促凝剂和分散剂等外加物，研制出镁质中间包冲击板预制块。