... G10, G16, G20 etc. The output of the ceramic balls is over 10 million annually, including finished balls and ... Low density, high strength, high hardness, high toughness, corrosion-resistant, abrasion-resistant, anti-oxidation, thermal vibration, low-expansibility, self-lubricating, ... chemical industry. The indexes of each precision level of ceramic balls are following: GradeVdwsSPHVdwlRaG30.05-0.08≤0. ...