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1 Products availableWe offer a complete product range of Calcined Kaolin, Metakaolin and Hydrous Kaolin
Physical Properties
Particle size distribution | <10 micron : 97% < 2 micron :72% Minimum |
---|---|
Mean particle size (D50) | 1.5 micron |
Residue (> 45 micron) | 0.02% |
Reflectance | 92% (white in colour) |
Brightness (ISO) | 92± 1 |
Paint drawdown brightness (ISO) | 82 - 84 |
Refractive Index | 1.62 |
Yellow Index | 2.2 to 2.5 |
pH Value | 5 to 7 |
Flow Point | 70- 85 |
Bulk Density (Gms / Ltr) | 300 to 340 |
Mohs hardness | 2,0-2,5 |
Moisture content | 0.5% |
Specific Surface Area BET (m2/gm) | 11- 13 |
Water absorption (ml/100gm) | 75 - 90 |
Oil absorption of powder (gm/100gm) | 55 - 65 |
Chemical Analysis
SiO2 | 51 to 54% |
---|---|
Al2O3 | 43 to 45% |
Fe2O3 | 0.35% |
TiO2 | 0.90% |
CaO | 0.016% |
MgO | 0.065% |
K2O | 0.20% |
Na2O | 0.13% |
L.O.I. | 0.50% |
Physical Properties
Brightness (ISO) | 82 ± 2 |
---|---|
Yellow Index | 2.2 to 2.5 |
Bulk Density (Gms / Ltr) | 300 to 340 |
Average Particle Size | 300 to 340 |
Moisture content | 1.5 - 2.5 micron |
Residue (> 45 micron) (max. %) | 0.5 -2% |
Specific Surface Area BET (m2/gm) | 12- 18 |
Chemical Analysis
SiO2 | 51 - 54% |
---|---|
Al2O3 | 41 - 44% |
Fe2O3 | 0.35% |
TiO2 | 0% |
CaO | 0.016% |
MgO | 0.065% |
K2O | 1 - 2% |
Na2O | 0.13% |
L.O.I. | 1 - 2% |
Physical Properties
Particle size distribution | <10 micron : 82.2% < 2 micron :49.04% Minimum |
---|---|
Mean particle size (D50) | 2 micron |
Residue (> 45 micron) | 0.049% |
Reflectance | 84% (Creamish white in colour) |
Brightness (ISO) | 81± 1 |
Firing brightness at 1200 oC (ISO) | 91± 1 |
pH Value | 5 to 7 |
Specific gravity of kaolin mineral | 2,60 |
Mohs hardness | 2,0 - 2,5 |
Moisture content | 1% |
Oil absorption of powder (gm/100gm) | 35 - 45 |
Chemical Analysis
SiO2 | 45%± 1 |
---|---|
Al2O3 | 38% ± 1 |
Fe2O3 | 0.35% |
TiO2 | 0.90% |
CaO | 0.016% |
MgO | 0.08% |
K2O | 0.20% |
Na2O | 0.13% |
L.O.I. | 14% ± 1 |