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ASTM or national standard codes for PTFE and RPTFE sintered valve seats used in valves

2009-03-17View Original

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What are the American or Chinese standard codes for PTFE and RPTFE sintered valve seats used in valves? Thank you! ! !
Reply #22009-03-17
ASTM D4894-07 Standard Specification for Polytetrafluoroethylene (PTFE) Granular Molding and Ram Extrusion Materials

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