... <0.013.86.520-25JINGANG structure ceramic includes Al2O3, ZrO2,SiC, Si3N4 material . ... These advanced ceramic are applicated in sealing material , mechanical system ... elevated temperatures,3. corrosion resistance4. oxidation resistanceSpecification Zirconia ceramic are applicated as shaft bearing ,plunger,sealing matetial ... coefficient/°C9.5x10-6 beverage ceramic nozzle