中国北方石炭二叠纪和侏罗纪煤系中普遍产出一种可塑性极高的软质粘土,又称木节土,其矿物组成以高岭石为主。
A kind of high plasticity soft-clay, also called kibushi clay, is widely deposited in Carboniferous-Permian and Jurassic coal-bearing strata in northern China.
粘土和蜡是可塑性物质。
通过在电瓷绝缘子坯料中使用一种改良膨润土作为增塑剂来弥补粘土可塑性的不足,试验证明其对坯料可塑性能增强效果明显。
Experiments have proved that an improved bentonite used as a plasticizing agent in the body of electrical porcelain insulators can greatly plasticize the body.
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