分散性粘土是一种在低含盐量的水(或纯净水)中由于离子的相互排斥力超过相互吸引力，导致土体颗粒分散的粘性土。
Clay is dispersed in a low salinity of the water (or pure water) because of the mutual repulsion forces ion over mutual attraction, lead to soil particles dispersive clay.
其主要粘土矿物是高岭石，但加热相变有别于纯净的高岭石。
Although the main clay mineral is kaolinite, the structural change during heating is different from pure kaolinite.
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