【摘要】 从物质的基本性质出发,研制成功含碳低、体积密度小、熔点高、碱度适当的中间包覆盖剂,同时具有保温性能好,吸收夹杂能力强,增碳少,使用时不污染环境等优点。更多还原

【Abstract】 According to the basic property of matter, the mould covering agent with low carbom, small density, high melting point and appropriate basicity has been developed successfully, and it also shows the characteristics of good heat preservation and high impurity- absorptivity,and no any pollution to the environment in usage.更多还原