タイトルまたは説明
What is
Microsilica
Microsilica or Silica Fume, which it is made from the oxidized
silicon vapor of silicon iron or element
silicon with special dust catcher and final turn out amorphous SiO2
powder.
Average particle size of Microsilica is around 0.*5~0.*0μm,
specific area is ****0~****0m 2 /kg, and they are with
Strong surface activity.
The main element of Microsilica is amorphous SiO2. Besides, the
burner gas accompanies impurity. Like dissociate
C, Fe2O3ã€CaOã€K2Oã€Na2O and etc. The Microsilica Color along
with the higher content of Cã€Fe2O3, the deeper
color is changed from White-Grey White-Grey-Deep Grey.
By directly collected Microsilica from burner is named Original
Micro silica. The bulk density is around **0~**0kg/m3.
But for the convenience transportation and application, the
Original Microsilica can be increased bulk density.
Main
Features:
* High early strength
*
Greater impermeability
*
High ultimate compressive strengths
*
Substantially greater resistance to corrosion
Microsilica
Parameter:
| COA |
Result |
Result |
Result |
Result |
Result |
| Class*5 |
Class*8 |
Class*0 |
Class*2 |
Class*3 |
| SiO2(%) (min) |
*5.*5 |
*8.*5 |
*0.*5 |
*2.*5 |
**0.*5 |
| Fe2O3(%) |
0.*8 |
0.*4 |
0.*1 |
0.*5 |
0.2 |
| AI2O3(%) |
0.*9 |
0.2 |
0.*1 |
0.*5 |
0.2 |
| CaO（%） |
0.*9 |
0.*1 |
0.*1 |
0.*6 |
0.*1 |
| K2O+Na2O（%） |
0.*9 |
0.*4 |
0.*2 |
0.2 |
0.2 |
|
| 3.*5 |
2.*5 |
2.*5 |
2.*5 |
1.*3 |
| Moisture（%） |
3.*8 |
3.1 |
2.*8 |
1.*5 |
1.5 |
| Specific Surface（m2/g） |
*8
m2/g |
*8
m2/g |
*8
m2/g |
*8
m2/g |
*8
m2/g |
| Bulk Density（kg/m3） |
******0 |
******0 |
******0 |
******0 |
******0 |
Microsilica
Applications:
1. Microsilica is used in high performance concrete, improving the
intensity and performance of concrete and extend the concrete
life.
2. Microsilica is used in dry mortar, grouting concrete, improving
intensity
3. Microsilica is used in durable floor, increasing flowabiliy,
improving anti-corrosive
4. Microsilica is used in cement, improving the quality than common
cement
5. Microsilica is used in chemical fertilizer and prevent it from
caking
6. Microsilica is used in silicate brick
7. As a additive material for resin and another high polymer
material and subsitute for black,
silicon dioxide, talc stone, asbestos, steam solvent and tec
