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Chemical Compatibility

Mcs 352 Compatibility with O-Ring Materials

See how Nitrile, Viton (FKM), EPDM, FFKM, silicone and other seal materials rate against Mcs 352, with an A–D chemical resistance scale.

Back to Chemical Compatibility Checker
MaterialCodeTrade NamesRating
Nitrile (Buna-N)NBRBuna-N, HycarD
Hydrogenated NitrileHNBRTherban, ZetpolD
Fluorocarbon (Viton)FKMViton, FluorelD
PerfluoroelastomerFFKMKalrez, ChemrazD
Ethylene PropyleneEPDMNordel, VistalonA
SiliconeVMQSilastic, ElastosilC
FluorosiliconeFVMQFluorosilicone LS, Silastic FSRC
Neoprene (Chloroprene)CRNeoprene, BayprenD
Natural RubberNRNR, Isoprene (IR)D
Styrene ButadieneSBRBuna-S, GR-SD
ButylIIRButyl, Exxon ButylB
PolyurethaneAUAdiprene, VibrathaneD
Aflas (TFE/P)FEPMAflas, FEPMX
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 Mcs 352

The table above rates every common O-ring elastomer for service in Mcs 352 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 Mcs 352, the strongest candidates are 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.