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Chemical Compatibility: NR (Natural Rubber)
Sodium Tetraphosphate to Sour Crude Oil
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 |
|---|---|---|---|---|
| NR (Natural Rubber) | Sodium Tetraphosphate | E0540-80 | A-Excellent | A |
| NR (Natural Rubber) | Sodium Tetrasulfide | E0540-80 | A-Excellent | A |
| NR (Natural Rubber) | Sodium Thioarsenate | E0540-80 | A-Excellent | A |
| NR (Natural Rubber) | Sodium Thiocyanate | E0540-80 | A-Excellent | A |
| NR (Natural Rubber) | Sodium Thiosulfate | E0540-80 | B-Good | B |
| NR (Natural Rubber) | Sodium Trichloroacetate | E0540-80 | A-Excellent | A |
| NR (Natural Rubber) | Sodium Triphosphate | E0540-80 | A-Excellent | A |
| NR (Natural Rubber) | Solvesso 100, 150 | V3819-75 | X-Insufficient Data | X |
| NR (Natural Rubber) | Sorbitol | E0540-80 | A-Excellent | A |
| NR (Natural Rubber) | Sour Crude Oil | V1238-95 | D-Not Recommended | D |
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