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SILICA FUME

92U/92D

CAS NO: 69012-64-2,HS: 26219000

SILICA FUME

92U/92D

CAS NO: 69012-64-2,HS: 26219000

PRODUCT DESCRIPTION

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Microsilica also known as Silica Fume. It's collected and packed from silicon metal or ferrosilicon factories directly, the automatic and integrated production process guarantees the consistent quality. Microsilica are classified as various grades and can be used in Concrete, Oilwell cement, Refractory and Fertilizer industries.


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SiO2 ≥92% 

Chloride≥ 0.02% 

LOI≤ 4% 

Sulphur trioxide≤1% 

Moisture≤2%  

Free calcium oxide≤ 0.8% 

Specific surface≥18000m2/kg 

Retained on 45um sieve≤ 5%


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1. Cement or concrete admixture: microsilica in concrete ppt is able to fill cement intergranular pore, at the same time and the hydration products generate gels, magnesium oxide reaction to generate gel with alkaline materials.

2. Refractory additives: high quality micro silicon powder is mainly used for high performance refractory castable, bricks, ladle material, air brick, gravity type refractory pouring injection materials and dry and wet method.

3. Metallurgy pellet binder: micro silicon powder mixed with water after making pellet sintering, natural drying or not plus binder, pellets in very few impurities, can return to electric furnace smelting as materials.


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1.Packing: 25KG/bag,500kg-1000kg/bag

2.Storage:Kept in dry and ventilating place,prevent from rain and moisture when storage.

3.Transportation:Non-Toxic,non-inflammable and non-explosive chemicals,it can be transported by air,vessel,truck and train.


 
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