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Chemical Compatibility

Ammonia and Lithium Metal in Solution Compatibility with O-Ring Materials

See how Nitrile, Viton (FKM), EPDM, FFKM, silicone and other seal materials rate against Ammonia and Lithium Metal in Solution, with an A–D chemical resistance scale.

Back to Chemical Compatibility Checker
MaterialCodeTrade NamesRating
Nitrile (Buna-N)NBRBuna-N, HycarD
Hydrogenated NitrileHNBRTherban, ZetpolB
Fluorocarbon (Viton)FKMViton, FluorelD
PerfluoroelastomerFFKMKalrez, ChemrazD
Ethylene PropyleneEPDMNordel, VistalonB
SiliconeVMQSilastic, ElastosilD
FluorosiliconeFVMQFluorosilicone LS, Silastic FSRD
Neoprene (Chloroprene)CRNeoprene, BayprenD
Natural RubberNRNR, Isoprene (IR)D
Styrene ButadieneSBRBuna-S, GR-SD
ButylIIRButyl, Exxon ButylB
PolyurethaneAUAdiprene, VibrathaneD
Aflas (TFE/P)FEPMAflas, FEPMD
ABCDX

Guideline only. Values and ratings are representative at ambient conditions and are not a warranty of performance. Actual results vary with temperature, pressure, concentration and exposure time. Validate for your specific application — our engineers can help.

Choosing a seal material for Ammonia and Lithium Metal in Solution

The table above rates every common O-ring elastomer for service in Ammonia and Lithium Metal in Solution on an A–D scale. A is Excellent, B is Good, C is Fair (test before relying on it), and D is Not Recommended. An X indicates insufficient published data.

For Ammonia and Lithium Metal in Solution, the strongest candidates are Hydrogenated Nitrile, Ethylene Propylene, Butyl. These ratings are representative at ambient conditions (~20°C). Compatibility shifts with temperature, concentration, pressure and exposure time, so always validate the material against your real operating envelope before committing to a design.