... % ; 2,Anti-corrosion and anti-bacterial; 3,stain and rust proof; 4,No metallic taste or smell; Product Description: Blade ... Hygiene: Lead-free, non-toxic, acid resistance, alkali resistance, never rust, health environmental protection; keep food color, flavor, enjoy the flavor ... at very high pressures and heated in a furnace at temperatures over 2700°F. This results in an extremely-hard blade, nearly as ...