Ascom Calcium Carbonate
Coated CaCO3 — Active Grade
20T
40T
60T
Our Premium ASCOM Coated Calcium Carbonate is surface-modified with high-quality Stearic Acid to maximize its efficiency as a functional filler.
Featuring exceptional hydrophobic properties, reduced oil absorption, and stellar dispersion capabilities, this active series grade blends smoothly with a wide variety of polymer matrix operations, improving mechanical properties and cost efficiencies.
Key Features
- Three fineness grades (20T / 40T / 60T) for different applications
- 100% hydrophobic floatation performance
- High active CaCO₃ purity (≥ 99%)
- Low moisture content (≤ 0.12% max)
- Tunable mesh size from ~400 to ~2500 mesh
- Excellent whiteness & brightness across all grades
Applications
Masterbatch
PP/PE Films
Pipes & Profiles
Compounding
| Specifications / Properties | Grade 20T Value |
|---|---|
| Stearic Acid Coating Level | 0.95% – 1.15% |
| Top Cut (d97) | 24 + 0.5 µm |
| Mean Particle Size (d50) | 5.0 + 0.25 µm |
| Mesh Size Equivalent | ~625 mesh |
| Whiteness | 97.0% |
| Brightness | 98.0% |
| Moisture Content | 0.12% max |
| Active CaCO₃ Purity | ≥ 99.00% |
| Hydrophobic Floatation | 100% Float |
| Mohs Hardness | 3 |