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geminYe Inert PFPE Diffusion Pump Oil
geminYe Inert PFPE Diffusion Pump Oil
geminYe® perfluoropolyether (PFPE) family of lubricants are non-flammable, chemically inert, and thermally stable. geminYe PFPE diffusion pump fluids have excellent lubricity properties and are available in viscosity grades suitable for use in all vacuum pumps. When used with proper filtration, geminYe fluids provide exceptionally long service life. A drop-in replacement and direct equivalent to other PFPE brand vacuum oils, geminYe fluids are completely miscible with Fomblin®, Krytox®, and other brand inert PFPE fluids of the same grade.
geminYe® HV Inert PFPE Diffusion Pump Fluids
geminYe HV PFPE diffusion pump oil was specially developed to provide superior performance in high vacuum applications exposed to aggressive and corrosive compounds. It does not polymerize when exposed to oxygen, ionizing radiation, or accelerated atomic particles. In addition, the fluid can be exposed repeatedly to air without harm while running the pump. geminYe HV diffusion pump oil combines the properties of a narrow molecular weight range and controlled viscosity with an extremely low vapor pressure.
- Low vapor pressure
- Oxygen compatible
- Non-flammable
- Solvent resistant
- Low relative weight loss
- Chemically inert
- Excellent compatibility with metals, plastics, elastomers
- CFC-free & Ozone friendly
- Corrosion resistant
- High thermal stability
- High dielectric properties
- No flash or fire point
- Reclaimable
- Made in the USA
- Scanning electron and transmission microscopy
- Mass spectrometry
- Particle acceleration
- Ion implantation
- Plasma and vapor deposition
| Typical Property | geminYe 18-8 | geminYe 25-9 |
|---|---|---|
| Specific gravity at 20ºC (g/cm-3) | 1.89 | 1.90 |
| Kinematic viscosity at 20ºC (cSt) | 180 | 270 |
| Pour point (ºC) | -42 | -35 |
| Vapor pressure at 20ºC (torr) | 2x10-8 | 2x10-9 |
| Flash Point (ºC) | none | none |
| Fire Point (ºC) | none | none |
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