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
Microcarb WM1T is an ultramicronized and treated calcium carbonate with high purity, fine granulometry, and exceptional whiteness. It is suitable for a variety of applications in rigid PVC extrusion, adhesives, sealants, rubber processing aids, glossy enamels, and plastisols.
| Component | Value |
|---|---|
| CaCO3 | 98.96% |
| MgCO3 | 0.59% |
| Al2O3 | 0.045% |
| Fe2O3 | 0.044% |
| Sn | < 0.001% |
| Pb | < 0.001% |
| Cd | < 0.0001% |
| Mn | 0.0041% |
| Cu | < 0.0001% |
| SiO2 | 0.12% |
| Loss of weight on calcination | 43.3% |
| Property | Value | Method |
|---|---|---|
| Top cut | 6 µm | Mastersizer S |
| D50 | 0.9 µm | Mastersizer S |
| 45 µm sieve retention | < 0.01% | ISO 787R/7 |
| Property | Value | Method |
|---|---|---|
| Whiteness Dry (L) | 97.7 | Spectraflash SF450 |
| pH (aqueous sol. 10%) | 9.3 | ISO 787R/9 |
| Oil Absorption | 17 g/100 g CaCO3 | ISO 787R/5 |
| DOP Absorption | 26 g/100 g CaCO3 | ISO 787R/5 |
| Specific Surface Area | 9.0 m²/g | B.E.T. |
| Bulk Density (untamped) | 0.60 Kg/L | ISO 787R/11 |
Microcarb WM1T is ideal for the following applications:
All data presented are average values representative of production and are provided for information purposes only. These values cannot be considered contractual.
