Microsilica powder has the characteristics of high strength, good bonding and bonding performance, and increased forming thickness. The anti-seepage, anti-corrosion and anti-wear properties of silica-doped concrete can be improved in water conservancy and hydropower projects such as long-span Bridges and offshore oil drilling platforms. In the process of road construction, silica powder can greatly improve the early strength and wear resistance of concrete.
Microsilica powder can improve the compressive strength, tensile strength, impact strength and wear resistance of concrete. This is because the micro silica powder does not participate in the curing reaction, which improves the bonding strength and compactness of each component in concrete and weakens the harm of Ca(OH)2. Micro-silica powder and resin easy to mix, not easy to caking, can effectively reduce precipitation and stratification. Microsilica powder can reduce the expansion and contraction of concrete, and has good insulation and arc resistance to concrete. In general, concrete mixed with micro-silica powder will not react with most acids and bases, thus enhancing the corrosion resistance of concrete.
Microsilica powder is used as admixture to produce special cement. The special cement mixed with micro silica powder can be made into dense concrete with 2~3 times the strength of ordinary concrete, and has good wear resistance, corrosion resistance, impermeability, heat preservation, frost resistance and chloride ion barrier properties.
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