1,Material :PTFE 2,material:PTFE+NBR +NY 3,working pressure:under 50Mpa SPGW Seal 1,Factory direct sale,hight quality and competitive price. 2,materical:PTFE+NBR+NY 3,working pressure:under 50Mpa SPGW SealMaterial:PTFE+NBR+POMAdvantages1,Excellent sliding performance,no creeping phenomenon2,Good Shape stability ,high wear resistance,good chemical stability,3,antiextrusion characteristics is ...