型砂与膨润土之类的添加剂充分地混合以增强连接及整体强度。

Sand is mulled (mixed) thoroughly with additives such as bentonite to increase bonding and overall strength.

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试验研究了膨润土含量和紧实率对型砂弹性模量值的影响。

And the effects of bentonite percentage and compactibility on elastic modulus of molding sand were experimentally st...

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与原膨润土相比，锂化膨润土的加入改善了湿型砂的性能，最佳加入量为8%。

Compared with the original bentonite modification, lithium-base bentonite can improve the properties of green sand and the optimum added content is 8 %.

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