CALCIUM CARBONATE NATURAL
Alpha Bridge Natural Calcium Carbonate is sourced from premium limestone deposits, offering exceptional purity and consistent quality. With balanced physical and chemical properties, it serves as a key ingredient in paints, paper, adhesives, and various industrial applications demanding natural high-performance materials.
| Natural grinded Calcium Carbonate Products | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Size | 8 µm | 10 µm | 12 µm | 15 µm | 20 µm | 30 µm | 45 µm | 75 µm | 100 µm | 150 µm | 200 µm | 250 µm |
| Code | α-CC-N-8 | α-CC-N-10 | α-CC-N-12 | α-CC-N-15 | α-CC-N-20 | α-CC-N-30 | α-CC-N-45 | α-CC-N-75 | α-CC-N-100 | α-CC-N-150 | α-CC-N-200 | α-CC-N-250 |
| D97 (Top Cut)/ µm | 8.5 | 10.5 | 12 | 15 | 20 | 30 | 45 | 75 | 100 | 150 | 200 | 250 |
| D50 (Median)/ µm | 2.1 | 2.5 | 2.9 | 3.8 | 4.8 | 7.2 | 10 | 15 | 19 | 20 | 25 | 35 |
| <2µ % | 50 | 40 | 38 | 30 | 28 | 24 | 11 | 9 | 8.5 | 7.5 | 7 | 5.5 |
| Residue on 14 µm sieve % | 0.36 | 0.56 | 0.86 | 1.58 | 3.16 | 6.74 | 10.6 | 19.0 | 26.6 | 41.6 | 56.6 | 69.6 |
| Residue on 25 µm sieve % | 0.05 | 0.08 | 0.13 | 0.27 | 0.88 | 2.60 | 5.66 | 12.6 | 18.6 | 31.0 | 43.6 | 56.6 |
| Surface Area (m²/g) | 2.2 | 1.8 | 1.5 | 1.2 | 0.95 | 0.7 | 0.5 | 0.3 | 0.22 | 0.15 | 0.11 | 0.9 |
| Bulk Density: g/cm³ | 0.55 | 0.57 | 0.58 | 0.64 | 0.74 | 0.83 | 0.9 | 0.95 | 1.0 | 1.05 | 1.08 | 1.1 |
| Oil absorption (gm/100gm) | 20.2 | 19.5 | 18.5 | 17.8 | 17.3 | 16.5 | ||||||
| Paints & Coatings | ||||||||||||
| Plastics | ||||||||||||
| Adhesives & Sealants | ||||||||||||
| Rubber | ||||||||||||
| Paper | ||||||||||||
| Construction | ||||||||||||
| Oil & Gas Drilling | ||||||||||||
| Food & Pharma | ||||||||||||
| Waterproofing | ||||||||||||
| Glaze | ||||||||||||
| Environmental Protection | ||||||||||||
| Glass | ||||||||||||
An allowable deviation of ±5% applies to all listed values,
Production of any other sizes outside these dimensions is available upon customer request.
= common use
= sometimes use
= not use
| Chemical Analysis % | Physical & General Properties | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CaCO₃ | CaO | MgO | Fe₂O₃ | Al₂O₃ | SiO₂ | L.O.I | pH value | Appearance | Moisture % | Refractive Index | Brightness % | Yellow index% | Hardness (Mohs) | Density |
| 99.6 | 55.64 | 0.15 | 0.001 | 0.001 | 0.02 | 43.95 | 9 Max | White (fine & coarse) powder | 0.2 Max | 1.59 | ≥ 97 | 2.6 Max | 3 | 2.7 g/cm³ |
