MIDDIA is one of the best ceramic utility knife manufacturers and suppliers in China, welcome to buy and wholesale customized ceramic utility knife from our factory.5 Inch Ceramic Utility Kitchen KnifeBlade Material:Zirconium OxideHandle Material:ABS With TPR coatedBlade Color: whiteHandle Color:black,green,pink or customizedSize:5"Blade Size(mm):132x25x1.8mmHandle Length(mm):113mmTotal Length(mm):245mmSpecification:1.Healthy,Hygiene ECO-Friendly2.High hardness, never be worn and torn3.Very sharp,Excellent performance 4.lead-free, non-toxic.5.Rust and stain proofProperty:CompositionWt%ZrO2+Y2O3%≥99.5Specific densityg/cm3>6.0Hardness(HV)HRA>87Thermal expansionCoefficient(20-400)(10-6/K)9.6(20~400)Elastic modulisGPa200~250Fracture toughnessMPa.m1/27-10Bending strengthMPa>1150Grain sizeμm<0.60.6