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.
它是由重晶石、沸石、生石灰、石膏、水泥熟料组成。
It is composed with barite, zeolite, quick lime, gypsum, and cement grog.
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