Undensified Microsilica WT-94U Use For Oil Well

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Price: 150.00USD/ton
Min.Order: 1 ton
Delivery: Shipment within 15 days since the date of payment
Address: China
Valid until: Never Expire
Updated on: 2018-01-15 10:03
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Super dispersibility undensified microsilica WT-94U use for oil well cementing

Micro silica ,also called silica fume or micro silica, is a byproduct of production silicon metal or ferrosilicon alloys. Silicon metal and alloys are produced in electric furnaces.The raw materials are quartz,coal and wood-chips.The smoke that results from furnace operation is collected and sold as silica fume, silica fume consists primarily of amorphous(non-crystalline) silicon dioxide(SiO2),its average granule diameter is 0.15~0.20um,specific surface area is 15000~20000m2/kg,and it has extremely strong surface active.


Prevents reinforcing steel corrosion in concrete, due to its extremely low permeability to chloride-ion intrusion and high electrical resistivity.

· Greater impermeability, barring the ingress of moisture, chemicals and other contaminants

· High early strengths, assuring increased efficiency and greater cost effectiveness in production of prestressed and precast concrete

· High ultimate compressive strengths (8,000-20,000 psi), proportionate to amount of silica fume and the water-to-cementitious ratio

· Substantially greater resistance to corrosion, abrasion and erosion, chemical attack and freeze/thaw damage.

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