| Concentration | Temp (°F) | Temp (°C) | PVC | Polypropylene (PP) | PVDF | PFA | PTFE | Stainless Steel 316 |
|---|---|---|---|---|---|---|---|---|
| — | 104 | 40 | No rating published | Corroded | No rating published | Excellent | Excellent | Excellent |
| — | 176 | 80 | No rating published | No rating published | No rating published | No rating published | Excellent | Excellent |
Legend: E = Excellent · G = Good · F = Fair · C = Corroded · (blank) = No rating published for this chemical/concentration/temperature combination — treat as unknown, not safe · A = Rating code not defined in the source vendor legend (appears once, Ammonium Sulfate/316SS) — shown as-is, not interpreted
| Variant | FFKM | FKM-ETP | TFE/P | FKM | HNBR |
|---|---|---|---|---|---|
| — | Good | Fair | Not Recommended | Not Recommended | Not Recommended |
Ratings: 1 = Good, 2 = Fair, 3 = Poor, 4 = Not Recommended. Full dataset: Elastomer Seal Material Compatibility (2,110 chemicals).
| Variant | Flex-A-Prene® | Flex-A-Chem® | Flex-A-Thane® |
|---|---|---|---|
| — | Not Recommended | Fair | Not Recommended |
Based on 28-day room-temperature (73°F) immersion testing. Full dataset: Peristaltic Pump Tube Compatibility (368 chemicals).
Source: Flowline chemical compatibility chart, real published vendor data, compiled by LibertyCES. Blank ratings mean no rating was published for that combination — treat as unknown, not safe. This data is a screening reference, not a final engineering approval; confirm with a manufacturer-specific data sheet before specifying equipment.
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Rated Excellent in at least one tested concentration/temperature condition: PFA, PTFE, Stainless Steel 316. Always confirm against the exact concentration and temperature in your application — compatibility can shift across the range.
No PVDF rating has been published for Methyl Isobutyl Ketone in this dataset — treat as unknown, not safe, until verified against a manufacturer-specific data sheet.
Source: Liberty Chemical Equipment & Supply, Inc. (LibertyCES) — engineering data compiled and reviewed by James Riggins, Founder, LibertyCES, from real vendor and field-verified sources. For a free spec review, call James at (559) 395-5500 or email [email protected] / [email protected]. Website: libertyces.com.