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Chemical Compatibility: NR (Natural Rubber)
Sodium Salts to Sodium Tetraborate
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 Salts | N0674-70 | A-Excellent | A |
| NR (Natural Rubber) | Sodium Sesquisilicate | V3819-75 | X-Insufficient Data | X |
| NR (Natural Rubber) | Sodium Silicate | N0674-70 | A-Excellent | A |
| NR (Natural Rubber) | Sodium Silicofluoride | V3819-75 | X-Insufficient Data | X |
| NR (Natural Rubber) | Sodium Stannate | E0540-80 | A-Excellent | A |
| NR (Natural Rubber) | Sodium Sulfate | N0674-70 | B-Good | B |
| NR (Natural Rubber) | Sodium Sulfide and Sulfite | N0674-70 | B-Good | B |
| NR (Natural Rubber) | Sodium Sulfocyanide | E0540-80 | A-Excellent | A |
| NR (Natural Rubber) | Sodium Tartrate | E0540-80 | A-Excellent | A |
| NR (Natural Rubber) | Sodium Tetraborate | E0540-80 | A-Excellent | A |
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