新型型砂材料──FS－Ⅱ粉无煤粉型砂的应用

The Application of the FS-Ⅱ Powder to the Non-coal Powder Moulding Sand

介绍了在潮模型砂中用Ｆｓ－Ⅱ粉代替煤粉应用的配方及使用效果。无煤粉型砂的特点是透气性好、水分降低、型砂紧实率好、流动性好、并且成本较低，收到了较好的经济效益，是代替型砂煤粉的好材料。

This article introduces the prescription of FS-Ⅱ powder for replacing coal-powder in green moulding sand. The distinguishing features of the Non-coal powder moulding sand are as follows: Good ventilation and compactility with lower moisture content; and excellent fluidity. It will reduce the production cost and gain better profit.