Superplasticizers
Silica Fume
SILICA-FUME
Silica fume is an amorphous polymorph of silicon dioxide(Sio2), silica. It is an ultrafine powder collected as a by-product of the silicon and ferrosilicon alloy production and consists of spherical particles with an average particle diameter of 0.15㎛. The main field of application is as pozzolanic material for high performance concrete.
Benefits
- Increase in compressive strength of mortar and concrete.
- Increased abrasion resistance on structures.
- Acid-resistance, alkali-resistance and penetration-proof.
- Prevention of efflorescence.
Properties
Specific Gravity |
PH |
Particle Diameter |
SiO₂ |
MgO |
SO₃ |
LOI |
2.2±0.2 |
2.0~4.0 |
Avg. 0.15㎛ |
Min. 90% |
Max. 1.0% |
Max. 1.0% |
Max. 3% |
Packaging
- 25kg/paper bag, 400~500kg/bulk bag
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