Mean particle size (D50) : 1.2 micron
Residue (> 45 micron) : <0.08
Reflectance : 82% (white in colour)
Brightness (ISO) : 80 ± 1
Firing brightness at 1200 ºC (ISO) : 92 ± 1
pH Value : 6 to 7
Specific gravity of kaolin mineral : 2.60
Mohs hardness : 2.0 – 2.5
Moisture content : <4%
Oil absorption
of powder (gm/100gm) : 35 – 45
SiO2 + Al2O3 : >82 ± 2%
TiO2+Fe2O3 : <1.5%
Alkaline Impurities : <0.5%
Loss on Ignition : 14 ± 1%
Application : Filler, Insulation, Coating
Packaging : 50kgs HDPE Laminated Bags/1250Kgs Jumbo Bags