PoleStar™ 200P is a calcined kaolin product manufactured by IMERYS Kaolin. It is produced by heating highly refined kaolin to temperatures above 1000°C, resulting in various chemical, morphological, and mineralogical changes. This process enhances the properties of the kaolin, making it suitable for specific industrial applications.
Key Properties and Uses:
- Primary Use: Recommended as an opacifying extender for matt emulsion paints, enhancing opacity and improving the visual and functional properties of the paint.
- Brightness: 90.0 ± 1.5 (ISO R457), indicating a high level of whiteness and purity.
- Particle Size:
- +300 mesh (mass % max.): 0.05
- +10 μm (mass % max.): 12
- Moisture Content: Maximum of 0.5%, ensuring the product remains dry and free-flowing.
Physical and Chemical Properties:
- Specific Gravity: 2.6
- Surface Area: 8 m²/g (BET method), indicating the available surface area for interactions in formulations.
- pH: Neutral (pH 7), making it suitable for various formulations without altering their pH balance.
- Oil Absorption: 50 g/100g, which affects the product's ability to interact with other components in formulations.
- Water Soluble Salt Content: 0.06%, ensuring low levels of water-soluble impurities.
- Densities:
- Aerated Powder Density: 330 kg/m³
- Tapped Powder Density: 600 kg/m³
Chemical Composition (by X-Ray Fluorescence):
- SiO2 (Silicon Dioxide): 55%
- Al2O3 (Aluminum Oxide): 41%
Additional Information:
- EINECS Number: 296-473-8
- CAS Number: 92704-41-1
Notice:
The data provided are typical but not production specifications. The supplier, IMERYS Kaolin, offers this information in good faith but does not provide any warranty or representation regarding the product's suitability for any particular purpose.
This product is particularly valued in the paint industry for its ability to improve the opacity and texture of matt emulsion paints, providing both functional and aesthetic benefits.
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