This information is based on our present state of knowledge and is intended to provide general notes on our products and their uses. It should not be construed as guaranteeing specific properties or suitability for a particular application
Micral TIXTENDER is an ultramicronized calcium carbonate derived from white marble. It is used in a variety of applications for its high whiteness and excellent physical and chemical properties.
| Component | Value |
|---|---|
| CaCO3 | 98.5% |
| MgCO3 | 1.5% |
| Al2O3 | < 0.05% |
| Fe2O3 | < 0.05% |
| Sn | < 1 ppm |
| Pb | < 1.5 ppm |
| Cd | < 1 ppm |
| Mn | < 0.005% |
| Cu | < 1 ppm |
| SiO2 | < 0.1% |
| Loss of weight on calcination | 43.3% |
| Property | Value | Method |
|---|---|---|
| Whiteness Dry (L, a, b) | L: 98.50, a: 0.00, b: 0.60 | Spectraflash SF450 |
| Relative whiteness (Ry) | 96.50 | Spectraflash SF450 |
| D50 Particle Size | 0.8 µm | Mastersizer S |
| D98 Particle Size | 5.0 µm | Mastersizer S |
| 45 µm Sieve Retention | < 0.001% | ISO 787R/7 |
| Moisture | < 0.1% | ISO 787R/2 |
| pH (10% aqueous solution) | 9.0 | ISO 787R/9 |
| Oil Absorption | 18 g/100 g CaCO3 | ISO 787R/5 |
| DOP Absorption | 44 g/100 g CaCO3 | ISO 787R/5 |
| Specific Surface Area | 11.0 m2/g | B.E.T. |
| Bulk Density (untamped) | 0.50 Kg/L | ISO 787R/11 |
The product conforms to the requirements of the Food Chemical Codex (FCC) and BGA (Germany).
The particle size distribution ensures optimized performance for targeted applications, particularly in decorative paints, printing inks, and silicone mastics.
