1. puncheon and long rod 2. corrosion-resistant 3. suit be in motion under corrosive environment Graphite solid lubricant:1 .friction coefficient :0.05, good lubricating property.2. corrosion-resistant , suit be in motion under corrosive environment.3. perfect permanent lubricating performance,suit to which not easy to manual application of lubricant.4. solve the problem that easy evaporation ...
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