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Chemical Compatibility of Seals
| Fluid | Fluoro-Polymer (Viton®) | Buna Nitrile Rubber |
|---|---|---|
| Petroleum based Fluids | X | X |
| Oil/water emulsions (HFA: 5% / 95% / oil / water) |
X | X |
| Water / Oil invert emulsions (HFB: 60% / 40% oil / water) |
X | X |
| Water glycol (HFC: 60% / 40% glycol / water) |
X | X |
| Water | X | X |
| Most Phosphate esters (HFD: electrical insulating / fire safety) |
X | Not Recommended |
| Polyol esters HFD | X | X |
| Diesters | X | Fair Only |
| Ethylene glycol | X | X |
| Polyalkylene glycol (EnBio TC®S fluid |
X | X |
| Temperature range | -20°F to 350°F -29°C to 177°C |
-65°F to 250°F -54°C to 121°C |
*Notes: EnBio TC®S is a registered trademark of EnBio Industries.
Viton® is a registered trademark of DuPont Elastomers.