| CATOSIL PRECIPITATED SILICA |
| CATOSIL precipitated Silicas are available in various combinations of physical properties such primary and secondary particle size, surface area, bulk density, absorption capacity etc. It is available in three physical form Categories:- |
|
| a. |
Powder Products |
| b. |
Spray Dried Granules |
| c. |
Compacted Pellets |
|
|
| |
PHYSIOCHEMICAL PROPERTIES OF PRECIPITATED SILICA
(POWDER PRODUCTS) |
Property |
Unit |
CATOSIL NK-3 HS |
| Appearance |
- |
Snow White free flowing powder |
| Behaviour towards water |
- |
Hydrophilic |
| Moisture (105°C) |
% |
5±1.5 |
| Ignition loss (900° C for 2 hrs) |
% max |
6 |
| Surface Area (BET) |
m 2 /gm |
150±10 |
| Average Particle size (d50) |
nm |
3-5 |
| Water Absorption |
% |
240-270 |
| Oil absorption |
% |
235-265 |
| Bulk Density* |
gm/cc |
0.06-0.08 |
| pH (5% acq. Solution) |
- |
6.8±0.5 |
| Residue on 300 mesh |
% max |
0.1 |
| Specific Gravity |
- |
2±0.02 |
| Refractive Index |
- |
1.46 |
| SiO 2 |
% |
98-99 |
| Al 2O3 |
%max |
0.2 |
| R2O3 |
%max |
0.3 |
| Fe as Fe2O3 |
%max |
0.03 |
| Storage Stability |
PRACTICALLY UNLIMITED UNDER FAVOURABLE TRANSPORT/STORAGE CONDITIONS |
| Packing |
Kgs/bag |
25 |
|
| |
PHYSIOCHEMICAL PROPERTIES OF PRECIPITATED SILICA
(SPRAY DRIED GRANULES) |
Property |
Unit |
CATOSIL NK-3
(Spray Dried) |
| Appearance |
- |
Snow White free flowing powder |
| Behaviour towards water |
- |
Hydrophilic |
| Moisture (105°C) |
% |
5±1.5 |
| Ignition loss (900° C for 2 hrs) |
% max |
170±15 |
| Surface Area (BET) |
m 2 /gm |
290-320 |
| Average Particle size |
Primary |
| Secondary |
|
nm |
15 |
µm |
5 |
| Water Absorption |
% |
240-260 |
| Oil Absorption |
% |
235-255 |
| Bulk Density* |
gm/cc |
0.22-0.28 |
| pH (5% acq. Solution) |
- |
6.2-7.0 |
| Specific Gravity |
- |
2±0.2 |
| Refractive Index |
- |
1.46 |
| SiO2 |
% |
98-99 |
| Al2O3 |
% |
0.2 |
| R2O3 |
% |
0.2 |
| Fe as Fe2O3 |
% |
0.03 |
| Arsenic (As) |
ppm max |
5 |
| Lead (Pb) |
ppm max |
5 |
| Storage Stability |
PRACTICALLY UNLIMITED UNDER FAVOURABLE TRANSPORT/STORAGE CONDITIONS |
| Packing |
Kgs/bag |
25 |
|
| |
PHYSIOCHEMICAL PROPERTIES OF PRECIPITATED SILICA
(PELLETIZED PRODUCTS) |
Property |
Unit |
CATSIL NK-3
(Spray Dried) |
| Appearance |
- |
Snow White free flowing powder |
| Behaviour towards water |
- |
Hydrophilic |
| Moisture (105°C) |
% |
5±1.5 |
| Ignition loss (900° C for 2 hrs) |
% max |
170±15 |
| Surface Area (BET) |
m 2 /gm |
290-320 |
| Average Particle size |
Primary |
| Secondary |
|
nm |
15 |
µm |
5 |
| Water Absoption |
% |
240-260 |
| Oil absorption |
% |
235-255 |
| Bulk Density* |
gm/cc |
0.30-0.35 |
| pH (5% acq. Solution) |
- |
6.2-7.0 |
| Specific Gravity |
- |
2±0.2 |
| Refractive Index |
- |
1.46 |
| SiO2 |
% |
98-99 |
| Al2O3 |
% |
0.2 |
| R2O3 |
% |
0.2 |
| Fe as Fe2O3 |
% |
0.03 |
| Arsenic (As) |
ppm max |
5 |
| Lead (Pb) |
ppm max |
5 |
| Storage Stability |
PRACTICALLY UNLIMITED UNDER FAVOURABLE TRANSPORT/STORAGE CONDITIONS |
| Packing |
Kgs/bag |
25 |
|
| *At the time of packing. Take a printout of technical specifation |
|
|
