巴斯夫中国
Ostar 600
Ostar 600
Product description
Ostar 600 calcined kaolin is a grade of process treated specially,chemical name is anhydrous aluminum silicate,with low content of impurities,particular high proportion surface area and porous platy structure,applied for architecture paint,with well brightness,opacity,dispersibility and suspensibility,chemical stability etc. It can partially replace titanium dioxide and reduce costs.This grade has good inter-space and insulation ability,also applied for thermal paper.
Typical Physical Properties
Test Items | Unit | Specification | Test Standard |
Brightness | R457，% | 90±2 | GB/T 5950-2008 |
Particle Size | -2μm，% | 88±2 | BT-1500 |
Oil Absorbency | g/100g | 80±5 | GB/T 14563-2008 |
Screen Residue | 325mesh% | ≤0.003 | GB/T 14563-2008 |
PH | 5.0-7.5 | GB/T 14563-2008 | |
Moisture | % | ≤0.8 | GB/T 14563-2008 |
Volume Density | kg/m³ | 350-550 | GB/T 16913.3-1997 |
True Density | kg/m³ | 2560 | GB/T 5071-1997 |
Chemical Name: Anhydrous aluminum silicate
CAS NO: 92704-41-1