Description
Bemsun sell microsilica grad*2, it is a good
performance concrete admixtures. And it had been played an
important role in structural building materials for
construction, infrastructure of seaport, high building, railway,
driver road, metro, tunnel, coal lane, rapairing constuction,
paving road management.
1. Instruction of Concrete
Admixture Microsilica
Microsilica, is a byproduct of
producing silicon metal or ferrosilicon alloys. Mine electric
furnace generates mass very reactive SiO2 and Si gas. The gas was
oxidation and condensation precipitation with air
rapidly.
2. Concrete admixture
microsilica main features:
* High early strength
* Greater impermeability
* High ultimate compressive strength
* Substantially greater resistance to corrosion
3. Concrete admixture -
Microsilica specification
SiO2: *0%min
Fe2O3: 0.2%
Al2O3: 0.2%
LOI: 3%max
Mositure: 1.5%
Specific surface: *8kg/m3
Bulk Densify: ******0kg/m3
4. Concrete
Microsilica admixture performance in Concrete &
Cement:
Microsilica admixture fill the pores of cement particles, and
generate gel with hydration and magnesium oxide reacts with
alkaline gel material.
microsilica admixture is widely used in cement, the performance are
as following:
A. Improving the compression, bending, impermeability,
anti-corrosion
B. With water retention, prevent segregation, significantly extend
the service life of concrete.
C. Prolong the life of concrete, especially in chloride, polluted
erosion, sulfate attack, high humidity and other harsh
environment.
D. Reduce in jet landing castable concrete and ash, rasing a single
spray layer thickness
E. Microsilica is a necessary component of high-strength
concrete
F. with about five times the efficacy of cement with microsilica
admixture
G. Prevent the occurrence of concrete alkali aggregate reaction
H. Improve the compactness of the cast refractory
material.
