Silica Fume For Decorative Concrete

Name: China Silica Fume For Decorative Concrete Manufacturers Suppliers Factory - Discount Price - ZhenAn
Brand: ZhenAn
SKU: 202746716

Silica fume, also known as microsilica, is a byproduct of producing silicon metal or ferrosilicon alloys.

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Description

ZhenAn International Co., Limited is one of the most reliable manufacturers and suppliers of silica fume for decorative concrete in China. With abundant experience, we warmly welcome you to wholesale discount silica fume for decorative concrete in stock here from our factory. Quality products and reasonable price are available.

Products Description

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 woodchips.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.

Specfication

ITEM	VALUE	UNIT
Specific surface area（BET）	150±20	m2/g
pH Value(4%)	3.7～4.5
Drying reduction (drying at 105℃ for 2h)	≤1.5	wt%
Loss on ignition (at 1000℃ for 2h,after drying at 105℃ for 2h)	≤2.0	wt%
Residue on sieve (45μm)	≤0.04	wt%
SiO2 content	≥99.8	%
Tap-Density(after drying at 105℃ for 2h)	40～60	g/L