Micro silica powder 1.SiO2:90%-98% 2.High electrical resistivity and impermeability 3.Superior resistance to chemical attack

Micro silica powder

      Micro silica powder, also called microsilica or micro silica, is a byproduct of producing silicon metal or ferrosilicon alloys. Silicon metal and alloys are produced in electric furnaces. Silica fume consists primarily of amorphous (non-crystalline) silicon dioxide (SiO2), its average granule diameter is 0.15~0.20 µm,specific surface area is 15000~20000 m2/kg, and it has extremely strong surface active.

5000Mts of micro Silica Fume as additive for Precast Concrete and Mortar for sales at bottom rock price from China’s manufacturer will assure you lots of competitiveness

As a manufacturer of Micro Silica or silica fume, we sincerely hope you can give us a chance to cooperate together to win market. And you could

be support with our high quality silica powder at most competitive price and immediately shipment. And there is 1000mts stock for the following grades

.So would you please check and have a considerations or just inquiry us to have a try that what better services we could supply for you:

Specification:

Grey Densified and undensified Micro Silica Fume

Analysis Result

Analysis	Result
	SF85	SF88	SF90	SF92	SF94	SF96	SF97	SF98
SiO2(%)(min.)	85.05	88.05	99.05	92.05	94.05	96.05	97.5	98.5
Fe2O3 (%)	0.78	0.44	0.21	0.25	0.20	0.20	0.10	0.20
Al2O3 (%)	0.29	0.20	0.21	0.25	0.20	0.20	0.20	0.20
CaO (%)	0.39	0.30	0.36	0.30	0.30	0.30	0.30	0.30
K2O+ Na2O (%)	0.29	0.24	0.22	0.20	0.20	0.20	0.20	0.20
Moisture (%)	3.05	2.55	2.05	2.05	1.85	1.25	1.00	1.00
Loss on Ignition (L.O.I) @975OC (%)	4.38	3.38	2.38	2.38	2.28	1.88	1.55	1.50

 Note: the above specification is for your reference, some elements can be controlled as your requirement.

Main Function:

Very low permeability to chloride and water intrusion.Extremely high electrical resistivity (20 to 100 times greater than ordinary concrete).Increased abrasion resistance on decks, floors, highways and marine structures.Superior resistance to chemical attack from chlorides, acids, nitrates and sulfates.

Application: 

Silica fume in refractory

1.Enhancing the fluid of pouring refractory, reducing the volume of used water, be easy to  shape,and raising the production efficiency.

2.Because of its untramicrostructure for gap filling, the compact and intensity of refractory gain rising by a wade margin.

3.Silica fume 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.

Silica Fume in Concrete

1. Making high-grade concrete effectively enhances the strength  and pumpability of strong concrete. 

2. Making high crack-resistance, self-waterproofing concrete, be used in the subway, tunnel and basement of high-rise structures.

3. Used in maritime works and chemical industry. Owing to the compactability, it 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. Used in the construction item under water, such as pier, huge dam and drilling platform.

5. Used in road surface concrete of expressway and large-scale bridge.

Thanks a lot for your kind patience and interest to finish my long content about Microsilica Fume. Sincere we want to promote this item in your Market, 

so wish to get your earliest reply.

 Many world wide contractors and distributors have already developed large businesses with local clients due to our good quality, better price and 

immediately shipment. So what about have a try? Any third inspection is welcomed. So should any quality proved to be defected, then your benefits

 will be sure protected by our compensation or new shipment.

So sincerely hope to hear from you!

Micro silica powder