Uncoated Calcium carbonate powder 30+/-1µ
4 5 (1 evaluate)Our product BL30 is a high whiteness ground uncoated calcium carbonate 30 micron powder derived from pure Vietnam white marble. It is milled and classified to below 30 microns and processed to add cost efficiency, mechanical properties, and high performance to your applications.
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.
Please contact us for more information of products availability.
Key features
- Exceptional whiteness
- Absence of particles above 30 microns
- Good dispersion properties
- Low oil absorption
Key applications
- Matt emulsion paints
- Undercoat and primer paints
- Plasticized PVC cables
- DMC and SMC
- Masterbatch
- Acrylic sealants
- PVC plastisol
| TYPICAL PROPERTIES | ||
| Property | Unit of Measures | Value |
| + 30 microns | % max | ± 2.5 |
| 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 | 16 |
| Surface area BET | m2g-1 | 2.2 |
| Specific gravity | - | 2.7 |
| Aerated powder density | Kg/ | 600 |
| Tapped powder density | Kg/ | 1250 |
| pH | - | 9.4 |
| PHYSICAL ANALYSIS | CHEMICAL ANALYSIS | |
| 1 | D97= 30+/-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 | |
