【摘要】 作者用现代测试手段较系统地研究了河南红硅石的理化性质,并用红硅石粉料配制了一种铸铁件用砂型涂料,使用效果良好。更多还原

【Abstract】 In this paper, the authors studied the physical and chemicaproperty of red silicate in Henan province and made a kind of foundry coatingfrom the red silicate. The foundry coating can be used for iron casting. Theexperimnet shows the effect is very satisfactory更多还原