Chemical Compatibility
Carbon Dioxide, Dry vs 13 elastomers
Best choices for Carbon Dioxide, Dry: NBR, HNBR, FKM, FFKM, CR, NR, SBR, IIR, FEPM. Full ratings below, A is continuous-service suitable, D is not recommended.
Carbon Dioxide, Dry
NBR, HNBR, FKMBest choices
—Avoid
| Elastomer | Rating | Meaning |
|---|---|---|
| NBR Nitrile (Buna-N) | A | Excellent, continuous service |
| HNBR Hydrogenated Nitrile | A | Excellent, continuous service |
| FKM Fluorocarbon (Viton) | A | Excellent, continuous service |
| FFKM Perfluoroelastomer | A | Excellent, continuous service |
| EPDM Ethylene Propylene | B | Good, minor effect |
| VMQ Silicone | B | Good, minor effect |
| FVMQ Fluorosilicone | B | Good, minor effect |
| CR Neoprene (Chloroprene) | A | Excellent, continuous service |
| NR Natural Rubber | A | Excellent, continuous service |
| SBR Styrene Butadiene | A | Excellent, continuous service |
| IIR Butyl | A | Excellent, continuous service |
| AU Polyurethane | X | |
| 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 C →
Sealing against Carbon Dioxide, Dry?
Tell us concentration, temperature and duty, we will recommend and sample the compound.