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General Industrial Instrument Seal Products


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SUNPLY®-ring is a combined O-ring with fluorine resin fully coated over rebound resilience rubber-made O-ring. It is hardly eroded by chemicals where general rubber-made O-rings cannot survive. For static use


  • Excel chemical stability performance; not eroded with quite a few chemicals and solutions. (Exception: fused alkali metals, fluorine compounds such as chlorine trifluoride etc. under high temperature/pressure)
  • Cross-section selectable from standard, midair and square-types
  • Material selectable from FKM and VQM for O-ring portion; FEP and PFA for resin jacket portion
  • Size adjustable for inner diameter


Semiconductor manufacturing equipment, Chemical processor, Paint application, Food machinery

* SUNPLY-ring is a registered trademark of Northern Engineering Supplies Ltd.

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