1.96% alumina,abrasion-resistant formulations, dry-pressed molding.
2.The chemical stability is better, high temperature resistant,abrasion resistant and corrosion resistant.
3.The ceramic body is compact, and the mechanical strength is high.
4.OD tolerance≤±0.02mm, ID tolerance≤±0.1mm,High tolerance≤±0.05mm, Parallelism≤0.02mm.
5.Plane mirror-polished,the surface without pores,without miscellaneous points,without scratches and cracks.