 | ActionA - little or none, B - moderate, C - strong, S - unknown |
| Natural rubber | Buna-N (NBR) | EPDM | Hypalon |
Heptane | C | C | C | C |
Hexaldehyde | A | B | B | A |
Hexane | C | C | C | C |
Hexene | C | B | C | C |
Hexyl-Alcohol | A | A | B | C |
Hog Fat | C | B | C | B |
Hydraulic Oil Ester Base | B | C | C | C |
Hydraulic Oil Mineral Base | C | B | C | C |
Hydraulic Oil Pydraul Base | C | C | C | C |
Hydraulic Oil Skydrol Base | C | C | C | C |
Hydro Cyanic Acid | B | C | S | A |
Hydrobromic Acid | B | B | A | A |
Hydrobromic Acid 40% | C | C | B | A |
Hydrochloric Acid 15% | A | A | A | A |
Hydrochloric Acid 30% | A | B | A | A |
Hydrochloric Acid 338K | C | C | A | A |
Hydrochloric Acid 33%, 323 K | C | C | B | A |
Hydrochloric Acid Conc. 38% | B | C | A | A |
Hydrocyanic Acid | A | B | A | B |
Hydrofluorine-Acid(Cold) | B | C | C | C |
Hydrofluorine-Acid(Hot) | B | C | C | C |
Hydrofluosilicic Acid | A | B | A | C |
Hydrogen Gas 338K | A | A | A | A |
Hydrogen Gas Cold | A | A | A | A |
Hydrogen Peroxide 10% | C | C | A | A |
Hydrogen Peroxide 30% | C | C | C | A |
Hydrogen Peroxide 88% | C | C | C | A |
Hydrogen Sulphide | A | B | A | A |
Hydrogen Sulphide Dry Cold | A | S | A | A |
Hydrogen Sulphide Dry Warm | A | B | A | A |
Hydrogen Sulphide Wet Cold | A | C | A | A |
Hydrogen Sulphide Wet Warm | A | A | A | A |
Hydrogen Sulphide Dry | A | B | A | A |
Hydrogen Sulphide Moist | B | B | A | A |
Hydrogen Superoxide 35% | S | S | A | A |
