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Chemical Compatibility: NR (Natural Rubber)
Ammonium Salts to Ammonium Tungstate
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) | Ammonium Salts | N0674-70 | A-Excellent | A |
| NR (Natural Rubber) | Ammonium Sulfamate | E0540-80 | A-Excellent | A |
| NR (Natural Rubber) | Ammonium Sulfate | N0674-70 | A-Excellent | A |
| NR (Natural Rubber) | Ammonium Sulfate Nitrate | N0674-70 | A-Excellent | A |
| NR (Natural Rubber) | Ammonium Sulfide | N0674-70 | A-Excellent | A |
| NR (Natural Rubber) | Ammonium Sulfite | E0540-80 | A-Excellent | A |
| NR (Natural Rubber) | Ammonium Thiocyanate | E0540-80 | A-Excellent | A |
| NR (Natural Rubber) | Ammonium Thioglycolate | E0540-80 | A-Excellent | A |
| NR (Natural Rubber) | Ammonium Thiosulfate | E0540-80 | A-Excellent | A |
| NR (Natural Rubber) | Ammonium Tungstate | E0540-80 | A-Excellent | A |
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