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Product details

FEP Encapsulated O-rings are high-performance sealing elements consisting of a seamless FEP (Fluorinated Ethylene Propylene) outer jacket encapsulating an elastomer core, typically Silicone (VMQ) or FKM (Viton®). This unique construction combines the excellent chemical resistance of fluoropolymers with the elastic recovery of rubber, making FEP encapsulated O-rings ideal for aggressive chemical and high-purity applications. Construction Outer Jacket: FEP (Fluorinated Ethylene Propylene) Chemically inert Non-stick surface Excellent corrosion resistance FDA-compliant grades available Inner Core: Silicone (VMQ): Better flexibility and low-temperature performance. FKM (Viton®): Better resilience and higher temperature capability. Key Advantages Outstanding chemical resistance Suitable for almost all acids, alkalis, solvents, and cleaning chemicals Excellent corrosion resistance Non-contaminating and low extractables Smooth, non-stick sealing surface FDA-compliant options available Suitable for CIP (Clean-in-Place) and SIP (Steam-in-Place) processes Excellent weather, ozone, and UV resistance Long service life Low maintenance