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Fumed Silica
SiO2: 99.8% min
For Gross Rubber, Paint, Printing Ink industry.
Fumed Silica
|
Specific Surface Area(m2/g) |
150+/-20 |
200±25 |
380+/-30 |
|
|
pH Value |
3.6~4.5 |
4.0 |
||
|
Loss on Drying @ 105°C(%) |
1.5 max |
0.68 |
||
|
Loss on Ignition @ 1000°C(%) |
2.5 max |
0.48 |
||
|
Sieve Residue(%) |
0.05 max |
0.023 |
||
|
Tamped Density(g/l) |
25~60 |
40 |
||
|
SiO2 Content(%) |
99.8 min |
99.86 |
||
|
Carbon Content(%) |
0.2 max |
0.041 |
||
|
Chloride Content(%) |
0.020 max |
0.009 |
||
|
Oxide Content (%) |
Al2O3 |
0.05 max |
0.01 max |
|
|
TiO2 |
0.003 max |
0.01 |
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|
Fe2O3 |
0.003 max |
0.001 |
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Uses:Rubber industry as a reinforcing agent and animal feed additive, also used in the manufacture of glass, ceramics, refractories, ferrosilicon, silicon and other elements.
