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AQUEOUS SUSPENSION OF INORGANIC PARTICLES, METHOD FOR MANUFACTURING SUSPENSION AND USE OF SUSPENSION
AQUEOUS SUSPENSION OF INORGANIC PARTICLES, METHOD FOR MANUFACTURING SUSPENSION AND USE OF SUSPENSION
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机译:无机颗粒的水悬浮液,制备悬浮液的方法和悬浮液的使用
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摘要
The invention relates to an aqueous suspension, which comprises inorganic particles and has dry solids content of at least 20 weight-%. The suspension is produced by obtaining or forming an aqueous starting suspension of inorganic particles, adding a water-soluble silicate and a water-soluble calcium source to the aqueous suspension of inorganic particles, and mixing the suspension, whereby a coating comprising calcium silicate hydrate is formed on at least a part of the surface of the inorganic particles. The suspension, when used for manufacture of concrete comprising Portland cement binder and inorganic aggregates, in an amount of 1 – 12 weight-%, based on the weight of Portland cement binder, increases the hydration reaction speed of the concrete by at least 5 %, compared to a concrete not containing said suspension.
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