... Durability 5.Cryogenic/High temperature treatment Specifications: Name: Circular Slitter knife for paper Material: Cr12MoV, 9CrSi, W6Mo5Cr4V2, W18Cr4VAdvantages:High ... knives, such as top& bottom slitter knife, dish slitter, flat slitter knife, drilling knife, rubber cutting knife and knife ring, etc.Our blades are mainly ... ×60×3×2150×90×2×3190×75×3×3 Knife ring114×100×40200×180×50200×162×92450×410×105 ...