Chemical Compatibility
Sulfur (molten 250°f) vs 13 elastomers
Best choices for Sulfur (molten 250°f): FKM, FFKM, FVMQ, FEPM. Full ratings below, A is continuous-service suitable, D is not recommended.
Sulfur (molten 250°f)
FKM, FFKM, FVMQBest choices
NBR, HNBR, NRAvoid
| Elastomer | Rating | Meaning |
|---|---|---|
| NBR Nitrile (Buna-N) | D | Not recommended |
| HNBR Hydrogenated Nitrile | D | Not recommended |
| FKM Fluorocarbon (Viton) | A | Excellent, continuous service |
| FFKM Perfluoroelastomer | A | Excellent, continuous service |
| EPDM Ethylene Propylene | C | Conditional, test first |
| VMQ Silicone | C | Conditional, test first |
| FVMQ Fluorosilicone | A | Excellent, continuous service |
| CR Neoprene (Chloroprene) | C | Conditional, test first |
| NR Natural Rubber | D | Not recommended |
| SBR Styrene Butadiene | D | Not recommended |
| IIR Butyl | C | Conditional, test first |
| AU Polyurethane | D | Not recommended |
| FEPM Aflas (TFE/P) | A | Excellent, continuous service |
Room-temperature, neat chemical unless stated. Concentration and temperature shift ratings, validate with our lab.
Ratings are for the neat chemical at room temperature unless stated; concentration and temperature change everything. Validate with our lab before committing a compound. Search another chemical → More chemicals starting with S →
Sealing against Sulfur (molten 250°f)?
Tell us concentration, temperature and duty, we will recommend and sample the compound.