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Chemical Compatibility: NR (Natural Rubber)
Black Point 77 to Boric Oxide
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) | Black Point 77 | N0674-70 | C-Fair | C |
| NR (Natural Rubber) | Blast Furnace Gas | S0604-70 | D-Not Recommended | D |
| NR (Natural Rubber) | Bleach Liquor | E0540-80 | C-Fair | C |
| NR (Natural Rubber) | Bleach Solutions | E0540-80 | X-Insufficient Data | X |
| NR (Natural Rubber) | Blood | E3609-70 | X-Insufficient Data | X |
| NR (Natural Rubber) | Borax | E0540-80 | B-Good | B |
| NR (Natural Rubber) | Borax Solutions | E0540-80 | X-Insufficient Data | X |
| NR (Natural Rubber) | Bordeaux Mixture | E0540-80 | B-Good | B |
| NR (Natural Rubber) | Boric Acid | N0674-70 | A-Excellent | A |
| NR (Natural Rubber) | Boric Oxide | E0540-80 | A-Excellent | A |
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