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1 Metric Ton |
Negotiable |
Nano silica silica powde
Item |
Quality Index |
||||
HX-1 |
HX-2 |
HX-3 |
HX-4 |
||
Appearance |
High dispersive white power |
||||
Heat reduction(%)(105°C 2h) ≤ |
3 |
3 |
3 |
3 |
|
Loss on Ignition(%)( 950°C 2h) ≤ |
15 |
10 |
10 |
5 |
|
SiO2 content (dry base)(%) ≥ |
85 |
90 |
90 |
92 |
|
Sesquioxide content(%) ≤ |
0.5 |
0.5 |
0.5 |
0.5 |
|
PH value |
6.5~7.5 |
6.5~7.5 |
6.5~7.5 |
6.5~7.5 |
|
Mechanical Impurity (pcs/g) ≤ |
30 |
30 |
30 |
30 |
|
Surface density(g/ml) ≤ |
0.2 |
0.15 |
0.2 |
0.2 |
|
Dispensability (%)(CCl4) ≥ |
80 |
80 |
85 |
85 |
|
Oil-absorbed value(ml/100g) ≥ |
260 |
260 |
260 |
250 |
|
Average particle size(nm) |
15-25 |
15-25 |
5-15 |
10-25 |
|
Hydrophobicity |
|
Extra Hydrophobicity |
Hydrophobicity |
Strong Hydrophobicity |
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