Uncoated Calcium carbonate powder 38+/-1µ
4 5 (1 evaluate)Bao Lai offers a diverse set of ground calcium carbonate derived from Vietnam white marble formed in Yen Bai, Vietnam, which has the technical characteristics of exceptional whiteness, low in impurities, excellent dispersion, high gloss impartment and good rigidity. Those properties make it favorable for mass production including plastics, paints & coatings, construction materials, adhesives, sealants, food & pharmaceutical products, paper & ink, and lawn care. Our product BL40 is a high whiteness calcium carbonate powder derived from pure Vietnam white marble. It is milled and classified to below 40 microns and processed to add cost efficiency, mechanical properties, and high performance to your applications. Please contact us for more information of products availability. Key features
- Exceptional whiteness
- Absence of particles above 40 microns
- Good dispersion properties
- Low oil absorption
Key applications
- Interior and exterior emulsion paints
- Oil & resin system, putties
- Plasticized PVC
- Rubber
- Adhesives
- Polishes
| TYPICAL PROPERTIES | ||
| Property | Unit of Measures | Value |
| + 40 microns | % max | ± 3.0 |
| Brightness | Hunter Y | 94.0 ± 1.0 |
| CaC | Wt. % | 99.0 |
| MgCO3 | Wt. % | 0.6 |
| Fe2O3 | Wt. % | 0.02 |
| Acid Insolubles | Wt. % | 0.22 |
| Moisture | Wt. % | 0.2 |
| Oil absorption | g/100g | 15 |
| Surface area BET | m2g-1 | 2.2 |
| Specific gravity | - | 2.7 |
| Aerated powder density | Kg/ | 650 |
| Tapped powder density | Kg/ | 1250 |
| pH | - | 9.4 |
| PHYSICAL ANALYSIS | CHEMICAL ANALYSIS | |
| 1 | D97= 38+/-1µ | CaCO3: 98% Min |
| 2 | Whiteness: 98% Min | Fe2O3: 0.01 % Max |
| 3 | Brightness: 96% Min | MgO: 0.02 % Max |
| 4 | Hardness: 3 Moh | SiO2: 0.03 % Max |
| 5 | Moisture: 0.2 % Max | Al2O3: 0.02% Max |
| 6 | Acid Insoluble: 0.3% Max | |
| 7 | Oil Absorption: 23g/ 100g CaCO3 | |
| 8 | Density: 2.65-2.7g/cm3 | |
| 9 | PH: 8-9 | |
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