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We are the leading Chinese supplier and Exporter of Silica fume , microsilica or silica dust, what has been exported to Saudi Arabia, Qatar, India, Vietnam, Iran, UAE, Costa Rica, Nigeria, Georgia, and so on. Welcome the potential Silica fume dealer and dealership in the foreign market for further cooperation. If you want to buy Silica fume, welcome for your inquiry. We will supply the high quality Silica fume of reasonable price.... |
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Place of Origin: China
Brand Name: ALLY
Payment & Shipping Terms:
Minimum Order Quantity: one 20'FCL container Packaging
Details:
jumbo bag as 900kg/bag,small bag as 25kg/bag,paper bag
as 20 kg/bag,
or as per client's requirement
Delivery Time: loading within 15 days after receiving
L/C or remittance evidence
Payment Terms: L/C,T/T,D/A,D/P
Supply Ability: 2000 Metric Ton per Month |
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Silica fume, also known as microsilica or silica dust, is a
by-product of the reduction of high-purity quartz with coke
in electric arc furnaces in the production of silicon and
ferrosilicon alloys (ASTM C1240[1], EN 13263[2].It’s used in
concrete field widely.
Silica fume Usage:
1.enhancing mechanical properties
2.improving durability
enhancing constructability
3.Improving resistance to corrosion
4.Silica fume Specification & Grade : |
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Analysis |
Result |
SF85 |
SF88 |
SF90 |
SF92 |
SF94 |
SF96 |
SiO2(%) |
85.50 |
88.50 |
90.66 |
92.98 |
94.66 |
96.50 |
Fe2O3(%) |
0.65 |
0.75 |
0.71 |
0.16 |
0.21 |
0.071 |
Al2O3(%) |
0.36 |
0.36 |
0.26 |
0.30 |
0.16 |
0.096 |
CaO+MgO(%) |
0.60 |
0.80 |
0.60 |
0.36 |
0.60 |
0.60 |
K2O(%) |
0.45 |
0.25 |
0.45 |
0.45 |
0.45 |
0.45 |
Na2O(%) |
0.13 |
0.23 |
0.13 |
0.13 |
0.13 |
0.13 |
H2O(%) |
1.66 |
1.76 |
1.82 |
1.61 |
0.82 |
0.82 |
L.O.I(%) |
2.92 |
2.67 |
1.92 |
1.91 |
1.92 |
1.42 |
C(%) |
1.00 |
1.00 |
1.19 |
1.00 |
1.00 |
1.00 |
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| Analysis |
Results |
EN 13263 |
ASTM C1240 |
| Form/Color |
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| SiO2 , % |
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> 85 |
> 85 |
| C, % |
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| Fe2O3 |
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| SO3, % |
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< 2.0 |
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| CaO, % |
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< 1.0 |
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| MgO, % |
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| P2O5 |
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| K2O |
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| Cl, % |
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| Na2O, % |
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| CL, % |
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< 0.3 |
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| Free Si, % |
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< 0.4 |
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| H2O (Moisture), % |
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< 3.0 |
| Loss on Ignition@975oC |
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< 4.0 |
< 6.0 |
| Specific surface area, m2/g |
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> 15.0 |
> 15.0 |
Accelerated Pozzolonic Activity Index
with porland cement at 7 days, % |
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> 85 |
| Coarse particle; >45µm (No. 325) , % |
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<10 |
| Bulk Density, kg/m3 |
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| Specific Gravity, kg/m3 |
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