Ceramic knife will not break generally, ceramic knife ceramic is a special ceramic.The hardness of ceramic knives is 9, second only to diamond, the hardest substance in the world (10), so as long as you do not fall to the ground, do not hit, do not chop, under normal use, can make sharpness more durable. Ceramic knife will not break generally, ceramic knife ceramic is a special ceramic.The hardness of ceramic knives is 9, second only to diamond, the hardest substance in the world (10), so as long as you do not fall to the ground, do not hit, do not chop, under normal use, can make sharpness more durable.