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HHV Spares & Consumables, PFPE Fluids
Fomblin® Y LVAC Inert Vacuum Pump Fluids
Fomblin® PFPE vacuum pump fluids are non-flammable, chemically inert, and thermally stable. When used with proper pump filtration, Fomblin PFPE vacuum pump oils provide exceptionally long service life. These fluids have excellent lubricity properties and are available in viscosity grades suitable for use in all vacuum pumps. Consult Ezzi Vision for assistance in selecting the proper viscosity grade for your specific pump and application.
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Fomblin® Y LVAC Inert Vacuum Pump Fluids
Fomblin Y L VAC is an inert perfluorinated fluid mixture with a hexafluoropropylene base. Because the chemical chain contains only carbon, fluorine, and oxygen, it exhibits excellent physical properties, including excellent lubricity and minimal backstreaming.
Properties
- Low vapor pressure
- Non-flammable
- No flash or fire point
- Low volatility
- Low surface tension
- Low toxicity
- Excellent compatibility with metals, plastics, and elastomers
- Chemically inert
- High thermal stability
- Good aqueous and non-aqueous solvent resistance
- High dielectric properties
- Good radiation stability
- CFC-free and Ozone friendly
- Reclaimable
| Typical Property | Y06/6 | Y14/6 | Y16/6 | Y25/6 |
| Average molecular weight | 1800 | 2500 | 2700 | 3300 |
| Specific gravity at 20ºC (g/cm3) | 1.88 | 1.89 | 1.89 | 1.9 |
| Kinematic viscosity (cSt) | 64 | 148 | 168 | 276 |
| Viscosity index | 71 | 97 | 110 | 113 |
| Vapor pressure at 25ºC (torr) | 8×10-7 | 1×10-7 | 2×10-6 | 6×10-8 |
| Pour point (ºC) | -50 | -45 | -45 | -35 |
| Heat of vaporization at 200ºC (cal/g) | 11 | 8 | 8 | 7 |
| Surface tension (dyne/cm) | 21 | 22 | 22 | 22 |
| Evaporation loss after 22 hrs (% by weight) | 2.8 (120ºC) | 2.6 (149ºC) | 3.9 (149ºC) | 0.6 (149ºC) |
| Ultimate total pressure (torr) | 1.7×10-3 | 1.4×10-3 | 2.4×10-3 | 1.2×10-3 |
| Specific oil consumption (cm3/hr) | 0.4 | 0.6 | 0.5 | 0.7 |
| Item Code | Y06/6, Y14/6, Y16/6, Y25/6 |
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