核心提示:阀门用烧结阀座的PTFE和RPTFE的美标标准号或国标标准号?ASTM D4894-07 Standard Specification for Polytetrafluoroethylene (P
阀门用烧结阀座的PTFE和RPTFE的美标标准号或国标标准号?ASTM D4894-07 Standard Specification for Polytetrafluoroethylene (PTFE) Granular Molding and Ram Extrusion Materials. 问:阀门用烧结阀座的PTFE和RPTFE的美标标准号或国标标准号?答:ASTM D4894-07 Standard Specification for Polytetrafluoroethylene (PTFE) Granular Molding and Ram Extrusion Materials.聚四氟乙烯