Cementiious materials Microsilica
Silica fume can be fully dispersed and filled in the gap between the cement particles, making the slurry more dense, the volcanic ash activity index of the micro silica powder can reach 110, the effective substitution coefficient reaches 3-4. There is strong absorption force to the Ca (OH) 2 produced after the hydration of cement, forming a well developed calcium silicate gel, which is greatly developed, improve the strength of concrete.
1, increase strength: when the mixing amount is 5-10%, the compressive strength of concrete can be increased by 10-50%, and the flexural strength will be increased by more than 10%.
2, increase density: when mixed with 10%, the impermeability increased by 5-8 times, and the resistance to carbonization increased by more than 4 times.
3, increase the frost resistance: the concrete mixed with 10% micro silicon powder decreases the relative dynamic elastic modulus by 1-2% after 300-500 times of freezing and thawing cycle, and the relative dynamic elastic modulus has been reduced by 36-73% after the ordinary concrete is circulate for 25-50 times.
4, increase early strength: Enhancing early strength is crucial in construction projects to accelerate progress and ensure the durability of structures under initial loads.
5, increase abrasion resistance and cavitation resistance: micro silica fume concrete can increase 0.5-2.5 times of abrasion resistance and increase cavitation resistance by 3-16 times. It is the best material for hydropower station, reservoir and dams to wear and repair.
Products
- Polyfume 23
No comment