... . Low water absorption. 6. Fully calcined 7. Low impurity content. 8. Pure white.Specifications:Particles: 0-1mm,1-3mm,3-5mm ... ,5-8mm,8-15mmSand:16-30mesh,30-60mesh,60-80mesh,80-120meshPowder: 200mesh ... , refractory castable, sagger, kiln furniture, crucibles, ceramic fiber, precision casting sand, ceramics products, etc. Calcined kaolin clay