Chemical Compatibility Table| Chemicals | PEEK | PPS | PTFE | SUS316 | FPM | EPDM | FFKM * |
|---|---|---|---|---|---|---|---|
| Acetaldehyde | A | A | A | A | D | B | A |
| Acetic acid 10% | A | A | A | A | B | D | A |
| Acetone | A | A | A | A | D | B | A |
| Ammonia water | A | B | A | A | A | A | A |
| Benzene | A | A | A | A | B | D | A |
| Chloroform (Trichloromethane) | n/a | A | A | A | D | D | A |
| Formalin (Formaldehyde 37%) | A | A | A | C | A | A | A |
| Hydrochloric acid 20% | A （* 10%） |
A | A | D | A | A | A |
| Hydrogen peroxide 30% | A | B | A | C | A | C | n/a |
| Nitric acid 10% | A | A | A | A | A | B | A |
| Phosphoric acid | A | A | A | D | A | n/a | n/a |
| Pure water (Deionized water) | A | A | A | A | A | A | n/a |
| Seawater | A | A | A | C | A | n/a | n/a |
| Sodium hydroxide 50% | n/a | A | A | C | D | A | n/a |
| Sodium hypochlorite 5% | A | A | A | D | A | B | A |
| Sulfuric acid 30% | B | A | A | D | A | A | A |
| Tetrahydrofuran (THF) | A | A | A | A | D | n/a | B |
| Toluene | A | A | A | A | B | D | A |
| Xylene | A | A | A | A | A | n/a | A |
* FFKM = Perfluoroelastomer A: No effect B: Minor effect C: Moderate effect; may be compatible under some conditions D: Not suitable for any use n/a: No data available Note: The above table is only for your reference. Testing samples with the chemicals under the practical conditions of your application is recommended. |
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