PARTICLE SIZE EFFECT ON DISPERSIBILITY OF KAOLIN .
PARTICLE SIZE EFFECT ON DISPERSIBILITY OF KAOLIN POWDERSIN ARABIC GUM DISPERSANT + Hadi S. AlLami* Abstract Merkhiat kaolin powders were dry grinded in ceramic ball mill, and fractionated by sieving process to five fractions. They had the following particle size: 90+32 µm, 90+75 µm, 75+63 µm, 63+53 µm, and –53+32 µm.