Durable in hot and cold conditions. S2: durable, for use in the oil.S3: does not cause static electricity.S4: can be used at a small Roller or Knife edge.S5: a life in conditions of use scratches or bumps.S6: the island has a high or low friction coefficient (different types) S7:Curved belt, F belt and special cleats.S8: coated with special materials. S9: skin Food grade PVC.S0: low noise
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