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fumed silica

Product Description

Silicon dioxide.

1.Good fluidity
2.High porosity, strong absorbability
3.Mainly used as anti-caking agent
4.To be as carrier, is not easy to agglomerate,
excellent anti caking property, fluidity of the powder can enhance the liquidity of the production.

ITEM	TARGET
Appearance	White Powder
SiO2 Content(Dry Basic) %	≥96.0
Average pore diameter (nm)	0812
Specific surface area (m2/g)	300-580
Loss on ignition 1000℃ 2h	≤8.5%
Moisture (at 105℃ for 2h)	≤5%
Pore volume (ml/g)	0.9-1.3
PH Value (100g/l in 10% aqueous suspension)	5.0~8.0
Heavy metal(Pd) %≤	≤0.003
Pb content Lead, %≤	≤0.0005
As content %≤	≤0.0003
Partical size(um, D50)	0315

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