... particle,good flowability,less shrinkage rate,often used to make ceramics by hot pressing.YFCA-2G99.60.040.050.020.073 ... .5±0.2 Often used to make ceramics by hot pressing and dry pressing,such as roller stick, water valve slice,frictional ... ballmill,14%shrinkage rate,often used as raw meterial of granulation powder,ceramics by casting and iso-static pressing. high quality calcined alumina for fine ...