Our Products
Micro Silica
We are one of the potential suppliers of Micro Silica (Silica Fume) and it complies with ASTM C 1240 & EN 13263:2005. After it being procured from Silicon metal factories, it’s being recycled, Densified, and packed under completely automated and in closed environment.
Micro Silica
Properties
| Appearance | Fine Powder |
| Colour | Grey |
| Odour | Odourless |
| MPS | 25 Microns |
| SiO2 | 90% Min |
| Humidity | 2% Max |
Advantages
- a) High compressive strength by 10 – 20
- b) Reduces the rate of carbonation
- c) Lower permeability
- d) Lower free lime formation
- e) Controls bleeding in fresh concrete
- f) Lower Heat of Hydration, which prevents formation of cracks.
APPLICATIONS
- a) Construction Concrete, Mortar and PHC & UHPC Products
- b) Refractories
- c) Ceramics
- d) Oil & Gas
- e) Fertilizer
TECHNICAL SPECIFICATION OF MICRO SILICA
CHEMICAL ANALYSIS
| PARAMETER | RESULT | ASTM C 1240-05 |
|---|---|---|
| SiO2 | 90.89% | 85% Min |
| Moisture | 1.03% | 3% Max |
| LOI | 4.35% | 6% Max |
| Al2O3 | 0.4% | - |
| Na2O | 0.5% | - |
| Fe2O3 | 0.70% | - |
| K2O | 0.90% | - |
| MgO | 0.40% | - |
| CaO | 0.70% | - |
| CI | 0.01% | - |
PHYSICAL ANALYSIS
| PARAMETER | RESULT | ASTM C 1240-05 |
|---|---|---|
| Oversize % Retained 45 Micron | 4.5% | 10% Max |
| Pozzolanic Activity Index (7 Days) | 107% | 105% Min |
| Surface Area | 18.00 | 15 m2/g min |
| Bulk Density | 660 kg/m3 | 550 – 700 kg/m3< |
