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Help CenterMicro Silica Powder/silica Fume/fumed Silica Manufacturer
Related Products
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Silica Fume / Microsilica for HPC ConcreteUS$ 130 - 260MOQ: 20 Tons -
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Cost Reduced Micro Silica FumeUS$ 130 - 260MOQ: 20 Tons
Specifications
micro silica:SiO2 85-97
high quality & competitive price
Activity index120-125%
Factory supply
Micro silica powder/silica fume/fumed silica manufacturer
Description:
1. Micro silica fume (scientific name "silica fume," Micro-silica or Silica Fume).
2. It possesses optical activity, pyroelectricity, and piezoelectricity. There are usually solid, liquid, and
gaseous inclusion in the crystalloid, and it contains microelement ion, Ore are usually in grey, yellow,
etc.
3. Micro silica fume's average granule diameter is 0.15~0.20 µm,specific surface area is 15000 ~ 20000 m2/kg, and it has extremely strong surface active.
Application:
Microsilica in refractory:
1.Microsilica Enhancing the fluid of pouring refractory, reducing the volume of used water, be easy to shape, and raising the production efficiency.
2. Microsilica is a highly effective pozzolanic material, so it's easy to come into being Mullite Phase, under the premise that Al2O3 exists, enhance elevated temperature strength and thermal shock of refractory.
Microsilica in Concrete:
The uses for Microsilica in concrete fit into general categories of enhancing mechanical properties, improving durability, enhancing construct ability.
1.Microsilica Makes high-grade concrete effectively enhances the strength and pumpability of strong concrete.
2.Making high crack-resistance, self-waterproofing concrete, Microsilica be used in the subway, tunnel and basement of high-rise structures.
3.Used in maritime works and chemical industry. Owing to the compactability, Microsilica can prevent effectively sulphate and chlorine ion from osmosizing and eroding Avoid the steel corroding in armoured concrete (RC), lengthen the life-span of concrete.
4. Microsilica used in the construction item under water, such as pier, huge dam and drilling platform.
5. Microsilica used in road surface concrete of expressway and large-scale bridge.
Advantage:
Dense castables
Improved flow
Hot strength
Strength during heat-up
Silica fume Specification:
Analysis Object(%) |
Model No. |
||||||||||
97# |
94# |
90# |
88# |
85# |
|||||||
SiO2 (Min.) |
97.0 |
94.0 |
90.0 |
88.0 |
85.0 |
||||||
Al2O3 (Max.) |
1.0 |
1.0 |
2.0 |
-- |
-- |
||||||
Fe2O3 (Max.) |
1.0 |
1.0 |
2.0 |
-- |
-- |
||||||
CaO+MgO (Max.) |
1.0 |
1.0 |
2.0 |
-- |
-- |
||||||
K2O+Na2O (Max.) |
1.0 |
1.5 |
2.0 |
-- |
-- |
||||||
C (Max.) |
1.0 |
2.0 |
2.0 |
2.5 |
3.0 |
||||||
NaOH (Max.) |
1.0 |
3.0 |
3.0 |
4.0 |
4.5 |
||||||
PH (Max.) |
4.5~6.5 |
4.5~7.5 |
4.5~7.5 |
4.5~8.5 |
4.5~8.5 |
||||||
Size above 45um (Max.) |
3.0 |
3.0 |
5.0 |
8.0 |
8.0 |
||||||
Moisture (Max.) |
15 |
||||||||||
M2/g (Max.) |
1.0 |
2.0 |
2.5 |
3.0 |
3.0 |
||||||
Our Packing:
1. One ton jumbo bags on pallets in 20" containers.
2. As per customers' requirements.
FAQ:
Q: Are you a factory or only a trading company?
A:We are a factory.
Q: Will you supply free samples?
A: Yes,it's available.We 'd love to provide free samples.
Q:How soon you can get the samples?
A:We need 1-2 days to prepare the sample and then delivery to you.
Q:How about the quality of the products you provide?
A: Our quality has been certificated by ISO9001 ,and you are wormly welcomed to visit our factory and production line.
Choose us , choose the most believable supplier of china
so if you have any interest, don't hesitate to contact me.
Send Inquiry to This Supplier
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