... 3.High strength,hardness,density 4.Improve efficiency Ceramic balls are widely used as grinding mediums in the world. ... mechanical strength resistance to thermal shock. The HNCC Ceramic Balls are ideal choice as grinding mediums.1.Name: HNCC ... , Great thermostability, high rigidity, high wearproof,Extremely long useful time, Improve efficiency etc. 6. Applications1)wear-resistant, corrosion-resistant ...