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Chemical Compatibility: FKM (Fluorocarbon/Viton)
Persulfuric Acid (Caro’s Acid) to Phenolic Sulfonate
Chemical compatibility ratings for elastomers and engineering materials exposed to various chemicals — resistance grades from A (excellent) to D (not recommended), plus X (insufficient data)
| material | chemical | parker compound code | rating | rating code | temp max C (degC) | temp max F (degF) | temp min C (degC) | temp min F (degF) |
|---|---|---|---|---|---|---|---|---|
| FKM (Fluorocarbon/Viton) | Persulfuric Acid (Caro’s Acid) | V3819-75 | X-Insufficient Data | X | 205 | 400 | -26 | -15 |
| FKM (Fluorocarbon/Viton) | Petrolatum | N0674-70 | A-Excellent | A | 205 | 400 | -26 | -15 |
| FKM (Fluorocarbon/Viton) | Petrolatum Ether | N0674-70 | A-Excellent | A | 205 | 400 | -26 | -15 |
| FKM (Fluorocarbon/Viton) | Petroleum Oil, Above 250°F | V1164-75 | B-Good | B | 205 | 400 | -26 | -15 |
| FKM (Fluorocarbon/Viton) | Petroleum Oil, Below 250°F | N0674-70 | A-Excellent | A | 205 | 400 | -26 | -15 |
| FKM (Fluorocarbon/Viton) | Petroleum Oil, Crude | N0674-70 | A-Excellent | A | 205 | 400 | -26 | -15 |
| FKM (Fluorocarbon/Viton) | Phenol | V1164-75 | A-Excellent | A | 205 | 400 | -26 | -15 |
| FKM (Fluorocarbon/Viton) | Phenol, 70% / 30% H2O | V1164-75 | A-Excellent | A | 205 | 400 | -26 | -15 |
| FKM (Fluorocarbon/Viton) | Phenol, 85% / 15% H2O | V1164-75 | A-Excellent | A | 205 | 400 | -26 | -15 |
| FKM (Fluorocarbon/Viton) | Phenolic Sulfonate | E0540-80 | C-Fair | C | 205 | 400 | -26 | -15 |
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