普通膨润土防水卷材的产品形式为，上下两层土工布中间夹膨润土粉或颗粒，经针压将三者复合到一起。
The product form is: there is bentonite powder or particles between the two layers of geotechnic cloths; they are pressed together through pins.
XG粉和膨润土配伍不仅影响悬浮剂粘度的大小和稳定性，而且能有效抑制沉淀生成。
XG powders cooperated with bentonite can greatly affect the level and stability of viscosity as well as decrease sedimentation.
加入氯化钙可减少凝固时间，加入石膏可增加凝固时间，加入重晶石和赤铁矿粉可增加密度，加入膨润土和火山灰可减小密度。
Calcium chloride is added to reduce setting time, gypsum to increase setting time, barite and hematite to increase density, and bentonite and pozzolans to decrease density.
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