Scraper Seals Scraper seals,also called duo-cone seals,o-ring ... rods, plungers, etc; 2,for sealing oscillating, rotating or spiral movements on shafts, spindles, rotary transmission leadthroughs, ... SealsMaterial:NBR,HNBR,XNBR,EPDM,SIL,FKM(VITON),ACM,AEM,SBR,CR,PU etcHardness:30~90 ... FEDEX),AirplaneQuality Control:Internal QC controlPacking:neutral packing or other packing according to your needs.Sample: ...