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Rapid setting thixotropic cements and mortars - contg. water soluble thixotropic agent, carbonate ion source, an aluminate and aluminium oxide
Rapid setting thixotropic cements and mortars - contg. water soluble thixotropic agent, carbonate ion source, an aluminate and aluminium oxide
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机译:快速凝固触变水泥和砂浆-续水溶性触变剂,碳酸盐离子源,铝酸盐和氧化铝
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摘要
Additives to hydraulic cement to accelerate the onset of setting comprise (a) a cpd. to promote thixotropy in the mortar or cement, (b) a source of carbonate ions, (c) an aluminate and (d) an aluminium oxide. Promotes rapid onset of setting (e.g. within 1 hour) and prevents cement and mortal flowing out of gaps e.g. in shuttering after pouring before setting has occurred. The additives are esp. useful for addn. to pumpable or spraying cement compsns.
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