Chemical Compatibility
Aqua Regia vs 13 elastomers
Full elastomer ratings for Aqua Regia below.
Aqua Regia
—Best choices
NBR, VMQ, CRAvoid
| Elastomer | Rating | Meaning |
|---|---|---|
| NBR Nitrile (Buna-N) | D | Not recommended |
| HNBR Hydrogenated Nitrile | C | Conditional, test first |
| FKM Fluorocarbon (Viton) | B | Good, minor effect |
| FFKM Perfluoroelastomer | B | Good, minor effect |
| EPDM Ethylene Propylene | C | Conditional, test first |
| VMQ Silicone | D | Not recommended |
| FVMQ Fluorosilicone | C | Conditional, test first |
| CR Neoprene (Chloroprene) | D | Not recommended |
| NR Natural Rubber | D | Not recommended |
| SBR Styrene Butadiene | D | Not recommended |
| IIR Butyl | D | Not recommended |
| AU Polyurethane | D | Not recommended |
| FEPM Aflas (TFE/P) | C | Conditional, test first |
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 A →
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