| Carbon dioxide | E |
| Carbon monoxide | E |
| Chlorine, dry | G |
| Chlorine, wet | F |
| Hydrogen sulfide | E |
| Sulfur dioxide, dry | E |
| Sulfur dioxide, wet | X |
Legend:
E = Excellent, no discernable attack, G=Good, no significant attack,
F=mild attack, limited use, P=Poor, X= Unacceptable.


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