Material
O-ring selection is based on chemical compatibility, application temperature, sealing pressure, lubrication requirements, durometer, size and cost.
Synthetic rubbers - Thermosets:
- Butadiene rubber (BR)
- Butyl rubber (IIR)
- Chlorosulfonated polyethylene (CSM)
- Epichiorohydrin rubber(ECH, ECO)
- Ethylene propylene diene monomer (EPDM)
- Ethylene propylene rubber (EPR)
- Fluoroelastomer (FKM)
- Nitrile rubber (NBR, HNBR, HSN)
- Perfluoroelastomer (FFKM)
- Polyacrylate rubber(ACM)
- Polychloroprene (neoprene) (CR)
- Polyisoprene (IR)
- Polysulfide rubber (PSR)
- Sanifluor
- Silicone rubber (SiR)
- Styrene butadiene rubber (SBR)
Thermoplastics:
- Thermoplastic elastomer (TPE) styrenics
- Thermoplastic polyolefin (TPO) LDPE, HDPE, LLDPE, ULDPE
- Thermoplastic polyurethane (TPU) polyether, polyester
- Thermoplastic etheresterelastomers (TEEEs) copolyesters
- Thermoplastic polyamide (PEBA) Polyamides
- Melt Processible Rubber (MPR)
- Thermoplastic Vulcanizate (TPV)
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