Materials
O-Ring Material Center
Browse O-ring elastomer guides and compare FKM, FFKM, NBR, EPDM, HNBR, VMQ and other materials by temperature range, compatibility, strengths, limitations and applications.
Use the Material Center to understand polymer families. For screening against actual media, temperature and duty, use the Material Selection tool. Confirm the final compound with supplier data and representative fluid testing.Material Selection
FKM (Viton)FKM fluoroelastomer properties and typical applications.
FFKMPerfluoroelastomer (FFKM) properties and chemical resistance.
NBR (Nitrile)Nitrile rubber properties and common uses.
EPDMEPDM properties and chemical compatibility.
HNBRHydrogenated nitrile properties and high-temperature oil service.
VMQ (Silicone)Silicone properties, wide temperature range and limitations.
FVMQ (Fluorosilicone)Fluorosilicone properties for fuel and low-temperature service.
CR (Neoprene)Chloroprene properties and refrigerant compatibility.
IIR (Butyl)Butyl properties and low gas permeability for vacuum sealing.
ACM (Polyacrylate)Polyacrylate properties for hot transmission and engine oil.
AEM (Vamac)Ethylene acrylate properties for automotive powertrain seals.
Material–medium evidence lookup
General polymer data is for screening. Supplier compounds, standards and tests are identified separately. A record without evidence cannot replace immersion testing and final approval.
No maintained record matches this filter. Add one in the admin console with its evidence level.