Make high strength concrete (above C70) with silica fume, which can significantly improve the strength and pumping performance of concrete; Make high impermeability (≥ P30), structural self-waterproof concrete, used in subways, 隧道, basements of high-rise buildings; Silica fume particle size distribution is reasonable, dense, 硬度, good wear resistance, can significantly improve the curing of tensile, … 继续阅读 Why Is It Necessary To Add Silica Fume To Concrete?