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Product Category
Fumed Silica
CAS number:112-945-52-5
Molecular formula:SiO2
Molecular weight:60.08
Customs code:2811229000
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Items

Standard

Specific Surface Area (m2/g)

200±30

PH Value

3.7 ~ 4.5

Loss on Drying at 105 (%)

3 max

Loss on Ignition at 1000 (%)

 2.5 max

Sieve Residue (mg/kg)

250 max

Tamped Density (g/l)

30 ~ 60

SiO2 Content (%)

99.8 min

Carbon Content (%)

0.02 max

Chloride Content (mg/kg)

250 max

Oxide Content (mg/kg)Al2O3

400 max

Oxide Content (mg/kg)TiO2

200 max

Oxide Content (mg/kg)Fe2O3

30 max