... and Germany 4)wear resistant,prevent rust,no burr Plastic Film Cutting Knife :1)Hardness: HRC 61°-62°2)Thickness ... or according to the customer's requests3)Applicable industries: plastic production,plastic film, aluminum foil, sub section.4)Materials imported from ... the customer's requestService typeOEM,ODM etc.8)Advantages: Plastic Film Cutting Knife has good abrasion resistance and high processing ...