GB/T39232-2020 Daily-use ceramic knives for oxidizing pliers This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation and storage of oxidizing pliers for daily-use ceramic knives. This standard applies to ceramic knives for daily use made of tetragonal polyoxidic pliers ceramic materials partially stabilized by the oxidation package, and the blades have no decals or coatings
GB/T 39232-2020 Referenced Document
GB/T 16534 Fine ceramics(advanced ceramics,advanced technical ceramics).Test method for hardness of monolithic ceramics at room temperature
GB/T 25995 Test methods for density and apparent porosity of fine ceramics