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Chemical Compatibility: NBR (Nitrile)
Potassium Nitrite to Potassium Phosphate (Di/Tri Basic)
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) |
|---|---|---|---|---|---|---|---|---|
| NBR (Nitrile) | Potassium Nitrite | E0540-80 | C-Fair | C | 121 | 250 | -34 | -30 |
| NBR (Nitrile) | Potassium Oxalate | E0540-80 | C-Fair | C | 121 | 250 | -34 | -30 |
| NBR (Nitrile) | Potassium Perchlorate | E0540-80 | C-Fair | C | 121 | 250 | -34 | -30 |
| NBR (Nitrile) | Potassium Perfluoro Acetate | V3819-75 | X-Insufficient Data | X | 121 | 250 | -34 | -30 |
| NBR (Nitrile) | Potassium Permanganate | E0540-80 | C-Fair | C | 121 | 250 | -34 | -30 |
| NBR (Nitrile) | Potassium Peroxide | V3819-75 | X-Insufficient Data | X | 121 | 250 | -34 | -30 |
| NBR (Nitrile) | Potassium Persulfate | E0540-80 | C-Fair | C | 121 | 250 | -34 | -30 |
| NBR (Nitrile) | Potassium Phosphate (Acid) | E0540-80 | C-Fair | C | 121 | 250 | -34 | -30 |
| NBR (Nitrile) | Potassium Phosphate (Alkaline) | E0540-80 | C-Fair | C | 121 | 250 | -34 | -30 |
| NBR (Nitrile) | Potassium Phosphate (Di/Tri Basic) | E0540-80 | C-Fair | C | 121 | 250 | -34 | -30 |
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