 Canto rodado
                                Canto rodado             
                                                    
                        Magnesium carbonate
Bags of 20 kg (not available in grain size 60-120), 1000 kg Big Bag and in bulk.
| Grains sizes | 10-20 | 
| 20-40 | |
| 40-60 | |
| 60-120 | 
Colors
White 99%, Yellow, Wood, Green, Black and Red
| CHEMICAL ANALYSIS | |
| Composition | |
| CaO | 31 % | 
| MgO | 21.3 % | 
| Fe2O3 | 0.017 % | 
| Al2O3 | 0.044 % | 
| SiO2 | 0.083 % | 
| Loss with fire | 46.7 % | 
| 
					CHEMICAL CHARACTERISTICS | |
| 
					SO4 = soluble in acid | AS0.2 | 
| Cl = soluble in water | < 0.008 % | 
| S= Total | < 0.09 % | 
| 
					Contaminants organic light | <0.01 | 
| 
					Contaminants organic humid | More white than the pattern | 
| PHYSICAL CHARACTERISTICS | ||
| Method | ||
| whiteness | > 97% | Chroma meter cr-400 | 
| Specific weight | 2.85 grs/cm3 | UNE 83133/90 | 
| pH | 10 | Electrometry | 
| Hardness | 3 | E. Mohs | 
| 
					Apparent density (not compacted) | 1.1 g/ml | ISO 787-11 | 
| Molecular weight | 184,40 grs | |