SWKS Seal, with over 10 years experience, is one of the leading silicone fep encapsulated o rings manufacturers and suppliers in China. And we also offer the customized service catering to your special requirement. Please be free to buy the rubber products with competitive price from us.
![]() | Silicone FEP Encapsulated O Rings |
Benefits of Encapsulated 'O'-Rings and Seals
Exceptional resistance to aggressive chemicals and gas permeability
Cost efficient alternative to Kalrez and similar perfluoroelastomer 'O'-Rings
Low coefficient of friction allowing reduced wear of equipment
Adaptive sealing force of an elastomeric 'O'-Ring
Resistant to compression set/cold flow issues of solid 'O'-Rings

| Product Name | Encapsulated O Rings |
| Material | FEP+FKM , FEP+Silicone , PFA+FKM , PFA+Silicone |
| Size | AS568,ISO3601,BS Standard or custom size |
| Temperature | FEP Encapsulated O-rings -60℃ to 205℃ (260℃ short term) PFA Encapsulated O-rings -60℃ to 260℃ (300℃ short term) |
| Color | Red & Black |
![]() | Images of Silicone FEP Encapsulated O Rings |




![]() | Delivery time and Shipping Terms |
The average delivery time of the sample is 1 weeks. If the mold production is involved, the delivery cycle of the production mold is 10 days, and the average production time after the sample is approved is 1-2 weeks.
Shipping Terms ,By Sea, By Air, By Express ( such as DHL, FedEx, EMS, DEX,TNT,UPS,etc), We ship WORLDWIDE on most products unless otherwise stated.
![]() | SWKS Main Products Including |
O-rings (FDA,RoHS,USP Class VI Grade Rubber)
Quad Ring
Flat Gasket Ring
Rubber Gasket
Rubber Washer
Rubber Stopper
Rubber Plug
Rubber Grommets for Cable,Car and Pipes

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