Krytox GPL 205 vs Krytox GPL 226
Standard PFPE/PTFE grease vs the same base with anti-corrosion additive.
// Key differences
- Additive: GPL 226 contains sodium nitrite corrosion inhibitor; GPL 205 is additive-free.
- Cleanliness: 205 is preferred for oxygen service and ultra-clean applications.
Choose Krytox GPL 205 for:
Oxygen, clean-room, inert applications.
Choose Krytox GPL 226 for:
Bearings in humid or corrosive environments.
Full specification comparison
| Parameter | Krytox GPL 205 | Krytox GPL 226 |
|---|---|---|
| Manufacturer | Chemours | Chemours |
| Category | Aerospace & Vacuum Lubricants | Aerospace & Vacuum Lubricants |
| Temperature range | -30°C … +260°C | -36°C … +260°C |
| Standards / approvals | NASA SP-R-0022 | MIL-PRF-27617 |
| Chemistry | PFPE oil + PTFE thickener | PFPE oil + PTFE thickener |
| Operating temperature | -30°C … +260°C | -36°C … +260°C |
| NLGI grade | 2 | 2 |
| Specification | NASA SP-R-0022 | MIL-PRF-27617 |
| Flammability | — | Non-flammable |
| LOX compatibility | — | Yes |
| TDS & quote | TDS & quote |
Data compiled from manufacturer data sheets — confirm critical values with the official TDS.
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