... Zirconia Ceramic, Silicon nitride Ceramic, Alumina Ceramic, etc.The quality system has passed SGS ISO9001:2008, and ISO 14001:2004.JINGANG structure ... temperatures,3. corrosion resistance4. oxidation resistanceSpecification Zirconia ceramic are applicated as shaft bearing ,plunger ... hardess ,bending strength and breaking tenacity.Zirconia ceramics propertiesDensityg/cm36.0Water absorption%<0.05Firing ...