Ceramic pall ring ,pall ring,pall rings,used as tower packing , random packing , coloumm packing , Ceramic Pall Ring ... to applied to the drying tower,absorbing tower,cooling tower, desulphurization towers ,rectifying tower,washing tower and regenerative tower in petro-chemistry,chemical engineering ... Characteristic dataSizes(mm)Thickness(mm)Surface area(m2/m3)Free volume(%)Numberper m3Bulk density(kg ...