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Chemical Compatibility: FKM (Fluorocarbon/Viton)
Phosphoric Acid, 45% to Picric Acid Molten
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) | Phosphoric Acid, 45% | V3819-75 | X-Insufficient Data | X | 205 | 400 | -26 | -15 |
| FKM (Fluorocarbon/Viton) | Phosphorus (Molten) | V3819-75 | X-Insufficient Data | X | 205 | 400 | -26 | -15 |
| FKM (Fluorocarbon/Viton) | Phosphorus Oxychloride | V3819-75 | X-Insufficient Data | X | 205 | 400 | -26 | -15 |
| FKM (Fluorocarbon/Viton) | Phosphorus Trichloride | E0540-80 | A-Excellent | A | 205 | 400 | -26 | -15 |
| FKM (Fluorocarbon/Viton) | Phosphorus Trichloride Acid | E0540-80 | A-Excellent | A | 205 | 400 | -26 | -15 |
| FKM (Fluorocarbon/Viton) | Phthalic Acid | E0540-80 | C-Fair | C | 205 | 400 | -26 | -15 |
| FKM (Fluorocarbon/Viton) | Phthalic Anhydride | E0540-80 | C-Fair | C | 205 | 400 | -26 | -15 |
| FKM (Fluorocarbon/Viton) | Pickling Solution | V0834-70 | B-Good | B | 205 | 400 | -26 | -15 |
| FKM (Fluorocarbon/Viton) | Picric Acid (aq) | C0873-70 | A-Excellent | A | 205 | 400 | -26 | -15 |
| FKM (Fluorocarbon/Viton) | Picric Acid Molten | V0834-70 | A-Excellent | A | 205 | 400 | -26 | -15 |
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