Kaolin CAS NO.1332-58-7

Kaolin Calcined Ultrex 98 has high brightness which through the method under the control heat treatment and take off the hydroxy . ISO Brightness(%) ≥93.5 GE Brightness(%) ≥95.0 Appeara…

Kaolin Calcined Ultrex 98 has high brightness which through the method under the control heat treatment and take off the hydroxy . ISO Brightness(%) ≥93.5 GE Brightness(%) ≥95.0 Appearance High micro powder Median particle size(microns) 0.7 Mesh Sieve remaining(%) Largest 0.03 PH value 5.0-7.0 105°C Free water % Highest1.0 Heidegger's fineness 3.5+ Specific gravity (g/cm3) 2.63 Oil absorption(ASTM D-281) 50-60 Ultrex 98 can be used as a expand agent of functional pigments. When it's applied in the coating, it shows high hiding power and good color vehicle performance. It also can be used as a expand agent of titanium dioxide which can reduce the product cost. Ultrex 98 has small particle.