... sharp and longer life than the traditional steel knife,with no need of sharpening for years Stain and rust ... proof ,non-adhesion,very easy to cleanNo chemical reaction with the food ,no metallic taste and smellAnti-corrasion, never ... not removed by normal washing ,wash the blade only with a middle bleach solutionPlease put it on the knife ... µm<0.6Thermal conductivityW/(m.k)2.5 Folding Utility Knife