What is the appropriate sealing width of medical sealing machine?

May leap manual sealing machine sealing width is 10mm, automatic sealing machine sealing width is 12mm, according to WS310.1 2016 Hospital Sterilization Supply Center Part 1: Management Specification c) paper-plastic bags, paper bags and other sealed packages its sealing width should be ≥ 6mm, the package of instruments from the seal of the bag should be ≥ 2.5cm