PTFE seal gasket Chemical stability excellent anti-aging performance with ... years with good credit and competitive price.We can supply PTFE ROD,SHEET,SKIVED,TUBE,PIPE,FILM,etc,together with HDPE,PP ... ,POM,PVC,NYLON ROD AND SHEET.70% of our products are exported to European,Middle- ... Passed ISO14001:2004 environment management,GB/T28001-2001,SGS test. expanded ptfe sheet gaskets