... , and abrasion performance is 60 times better than metal knife;3, Health and Hygiene: Lead-free, non-toxic, acid resistance, ... , anti-bacterial anti-fouling, easy to clean. About Ceramic Knife1, Nanometer level material: Ceramic knives are a relatively new invention and always expensive ... razor sharp edge and will not wear out.3,No Metallic taste or smell: Ceramic material is not very porous at all ...