O-Ring with a FEP or PFA (PTFE) outer layer encapsulating a silicone or FKM o ring core. The PTFE shell offers excellent chemical and temperature resistance while the FKM core provides the resiliency needed to provide effective sealing. Readily available in common USA and metric cross-sections and nearly unlimited diameters. FEP encapsulated Solid Silicone with improved chemical resistance up to 205℃. PFA encapsulated Solid viotn/silicone up to 260℃.
FEP encapsulated o-ring with viton core
Transparent FEP/PFA Encapsulated Black Viton Core
As customers' request, drawings or samples.
ISO9001,TS16949,RoHS,FDA,USP Class VI
Standard export packing, inner polythelene bag, outer with carton.
Tianjin SWKS Technology & Development Co., Ltd is professional in designing, developing and manufacturing rubber products for more than 10 years. Today, SWKS has modern facilities manufacturing o-rings, custom-molded elastomeric seals, radial shaft seals, oilseals, hydraulic seals, PU piston&rod seals, nonstandard rubber seals, rubber-to-metal bonded parts,and rubber shock absorbers.We have implemented quality and management systems that measure up to the toughest standards. We test every batch of material to verify that its key physical properties are conforming. Every molding press is computer controlled to ensure consistency and to optimize productivity.
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