The effect of silica powder in concrete is remarkable so the application of silica powder in concrete is very common. Specifically, what are the advantages of adding silica powder to concrete?
1. The strength and pumping performance of concrete are improved significantly by the silicon powder.
2. The size distribution of silicon powder is reasonable, compact, hardness is large, and wear resistance is good. It can greatly improve the tensile, compressive, impact strength and wear resistance of the solidified material. The impact resistance and wear resistance of the solidified material can be increased by 0.5-2.5 times.
3. Silicon powder increases the thermal conductivity and the flame retardant performance, changes the adhesive viscosity.
4. Silicon powder reduces the exothermic peak temperature of epoxy resin curing reaction, reduces the linear expansion coefficient and shrinkage of the cured material, thus eliminating the internal stress and preventing cracking.
5. Because of the fine size and reasonable distribution of silica powder, it can effectively reduce and eliminate precipitation and stratification.
6. The low impurity content of silica powder and stable physical and chemical properties make the solidified material have good insulation and arc resistance.
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