DB owns and manages more than 12 sodium feldspar mines in order to get sodium feldspar from Lower Na2O content to Higher Na2O content. Mines are located in areas where a variety of feldspar grade is available.
DB caters to Ceramic, Glaze, Pottery, Frits, Glass, Vitrified Pipes & Porcelain Industry.
| Physical Composition | |
| Contents | Sodium Feldspar (Higher Grade) |
| Fineness | Lumps |
| Brightness | 85% |
| Fired Shrinkage | 13.76 |
| Water Absorption | N.A. |
| Moisture at 105 degree C | N.A. |
| Oil Absorption | N.A. |
| PH Value | N.A. |
| Moh’s Hardness | N.A. |
| Specific Gravity | N.A. |
| Tapped Bulk Density (gms/ml) | N.A. |
| Matter Sol. In water | N.A. |
| Color Spectrometry | |
| “L” Value | 75.60 |
| “a” Value | 0.15 |
| “b” Value | 3.10 |
| Chemical Composition | |
| SiO2 | 69.74% |
| MgO | 0.100% |
| Al2O3 | 18.200% |
| CaO | 0.550% |
| Fe2O3 | 0.080% |
| TiO2 | 0.075% |
| Na2O | 10.030% |
| K2O | 0.490% |
| LOI | 0.480% |
| Physical Composition | |
| Contents | Sodium Feldspar (Lower Grade) |
| Fineness | Lumps |
| Brightness | 82% |
| Fired Shrinkage | 12.96 |
| Water Absorption | N.A. |
| Moisture at 105 degree C | N.A. |
| Oil Absorption | N.A. |
| PH Value | N.A. |
| Moh’s Hardness | N.A. |
| Specific Gravity | N.A. |
| Tapped Bulk Density (gms/ml) | N.A. |
| Matter Sol. In water | N.A. |
| Color Spectrometry | |
| “L” Value | 79.60 |
| “a” Value | 0.55 |
| “b” Value | 6.10 |
| Chemical Composition | |
| SiO2 | 72.170% |
| MgO | 0.100% |
| Al2O3 | 16.580% |
| CaO | 1.520% |
| Fe2O3 | 0.090% |
| TiO2 | 0.075% |
| Na2O | 7.290% |
| K2O | 1.720% |
| LOI | 0.370% |
| Physical Composition | |
| Contents | Sodium Feldspar |
| Fineness | Grains |
| Brightness | 82% |
| Fired Shrinkage | 13.54 |
| Water Absorption | N.A. |
| Moisture at 105 degree C | N.A. |
| Oil Absorption | N.A. |
| PH Value | N.A. |
| Moh’s Hardness | N.A. |
| Specific Gravity | N.A. |
| Tapped Bulk Density (gms/ml) | N.A. |
| Matter Sol. In water | N.A. |
| Color Spectrometry | |
| “L” Value | 75.45 |
| “a” Value | 0.26 |
| “b” Value | 6.25 |
| Chemical Composition | |
| SiO2 | 69.020% |
| MgO | 0.210% |
| Al2O3 | 18.400% |
| CaO | 0.890% |
| Fe2O3 | 0.080% |
| TiO2 | 0.074% |
| Na2O | 09.900% |
| K2O | 0.240% |
| LOI | 0.970% |
| Physical Composition | |
| Contents | Sodium Feldspar |
| Fineness | Powder |
| Brightness | 87% |
| Fired Shrinkage | 13.86 |
| Water Absorption | N.A. |
| Moisture at 105 degree C | N.A. |
| Oil Absorption | N.A. |
| PH Value | N.A. |
| Moh’s Hardness | N.A. |
| Specific Gravity | N.A. |
| Tapped Bulk Density (gms/ml) | N.A. |
| Matter Sol. In water | N.A. |
| Color Spectrometry | |
| “L” Value | 82.25 |
| “a” Value | 0.15 |
| “b” Value | 4.05 |
| Chemical Composition | |
| SiO2 | 71.000% |
| MgO | 0.100% |
| Al2O3 | 17.950% |
| CaO | 0.425% |
| Fe2O3 | 0.085% |
| TiO2 | 0.060% |
| Na2O | 10.200% |
| K2O | 0.340% |
| LOI | 0.320% |