The epdm extruder comes with an anti-wear coated barrel-and-screw combination.epdm extruder has better heat transfer which results in shorter cure times at higher temperatures.The number of uncrosslinked sulfur atoms is Sx or Sy) determines the degree of vulcanization of the rubber.Desired level of heat can be maintained by hot air heaters or rubber curing oven. 　　These salt bath curing line...