Yuanjiang Brand - Ultra-fine, Ultra-white Light Calcium CarbonateHigh-quality limestone is selected as the raw material, which is processed through a series of steps including calcination, hydration, carbonation, separation, drying, and classification. There are various production methods for light calcium carbonate, primarily including the carbonation method, calcium chloride method, caustic soda method, combined calcium method, and Solvay method. Currently, the carbonation method is mainly adopted in domestic industrial production.
Product Features
As a filler in chemical products, it serves to fill and reinforce, improve product performance, increase product volume, and reduce production costs. Its extensive usage and wide range of applications have made it an indispensable and even irreplaceable structural and functional filler in many industries, with broad development prospects.
Application Areas
Artificial floor tiles, rubber, plastics, papermaking, coatings, paints, inks, cables, construction supplies, food, pharmaceuticals, textiles, feed, toothpaste, and other daily chemical industries.
Product Technical Specifications
| Item | Indicator |
| Calcium carbonate content, % | ≥98.5 |
| Whiteness, % | ≥97 |
| Moisture, % | ≤0.2 |
| Silicon Dioxide Content, % | ≤0.02 |
| Iron content, % | ≤0.01 |
| Hydrochloric Acid Insoluble Matter % | ≤0.05 |
| Mohs hardness | 3.0 |
| pH value | 8-9 |
| Loss on Ignition, % | 43.4 |
| Settling volume, g/ml | 52 |
| Oil absorption, ml/100g | 53 |
| Water absorption, ml/100g | 0.56 |