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Made of Buna-N, these O-rings resist grease, hydraulic oil, and motor oil—plus mild chemicals and water.
These hard O-rings offer better wear resistance than standard Buna-N O-rings.
With flat edges on all four sides, square-profile O-rings cover more surface than round-profile O-rings for a better seal in static applications, such as hose, pipe, and faucet connections.
Also known as Quattro Seals and X-rings, these X-profile O-rings have four points of contact for a better seal in dynamic applications than round-profile O-rings. They also require less compression to make a seal, so they offer a longer service life.
These O-rings have eight points of contact for a better seal in dynamic applications than X-profile O-rings, plus they have eight grooves that hold lubricant to reduce friction and wear for a longer service life.
Choose these O-rings for their adherence to strict military standards for material and construction.
If these O-rings deteriorate, they can be picked up by metal detection systems.
More abrasion resistant than Buna-N O-rings, these also resist mineral oil and motor oil.
These O-rings are harder and stronger than standard polyurethane O-rings to handle high-pressure applications.
These Viton® fluoroelastomer O-rings resist a wide range of chemicals, including benzene, butyl alcohol, and ethylene glycol.
Softer than standard Viton® fluoroelastomer O-rings, these offer a better seal in low-pressure applications.
These hard O-rings offer better wear resistance than standard Viton® fluoroelastomer O-rings.
With flat edges on all four sides, these square-profile O-rings cover more surface than round-profile O-rings for a better seal in static applications, such as hose, pipe, and faucet connections.
These durable O-rings bounce back to shape after repeated compression better than other types of Viton® fluoroelastomer O-rings.
Because one black O-ring looks just like another, these O-rings are brown for easy identification.
All of these O-rings meet MIL-R-83248C.
These are the highest purity chemical-resistant O-rings we offer. They are made and bagged in an ISO Class 7 and Fed. Spec. Class 10,000 clean room, plus they’re USP VI certified; not for use in medical applications.
Unlike silicone, the Viton® fluoroelastomer core will continue to ward of chemicals should the FEP casing wear away.
The FEP casing on these O-rings provides the same level of resistance to harsh chemicals as PTFE O-rings, but the core material is soft to make these O-rings more compressible.
Rigid and hard with a slippery surface, these PTFE O-rings resist harsh chemicals, such as acetone, fluorinated solvents, methanol, and boric acid.
Inherently softer and more compressible than PTFE O-rings, these Kalrez 4079 O-rings have comparable chemical resistance.
These silicone O-rings withstand temperatures up to 400° F or 450° F.
Able to withstand temperatures up to 400° F, these O-rings are softer than standard silicone O-rings for a better seal in low-pressure applications.
These square-profile O-rings have flat edges on all four sides, so they cover more surface than round-profile O-rings for a better seal in static applications, such as hose, pipe, and faucet connections.
Made and bagged in an ISO Class 7 (Fed. Std. Class 10,000) clean room, these are the highest purity high-temperature O-rings we offer.
These O-rings also resist ethanol and ethylene glycol.
These O-rings withstand higher temperatures than standard EPDM O-rings.
These O-rings also resist ammonia, ethylene glycol, and isopropyl alcohol.
Made of Buna-N, these backup rings resist grease, petroleum fluids, and motor oil.