O-LUBE-KRYTOX-LVP-0.5OZ
LUBRICANT – Krytox™ LPV High Vacuum Grease
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The KrytoxTM LPV High Vacuum Grease o-ring lubricant performs reliably under any application conditions. Nonflammable, insoluble, and chemically inert, KrytoxTM LPV High Vacuum Grease withstands low pressures, high or low temperatures, as well as other hostile environments. KrytoxTM LPV in stock, order online to ship today.
KrytoxTM LPV High Vacuum Grease O-Ring Lubricant
From –15–300 °C (0–570 °F), at vapor pressures as low as 10-13 mmHg, and even in the most chemically severe environments, KrytoxTM LPV High Vacuum Grease offers performance that hydrocarbon, silicone, and chlorofluorocarbon greases simply can’t match.
KrytoxTM LPV High Vacuum Grease will no explode, ignite, decompose, react to form gummy or solid deposits, or act as fuel for fires. KrytoxTM o-ring lubricant is a proven performer in the most extreme applications.
KrytoxTM LPV High Vacuum Grease Material Properties
Applications
- Sealant or lubricant in vacuum systems
- High-temperature bearing, valve, and O-ring lubricant
- Oven conveyor chain and bearing grease
- Pressure relief valve lubricant
- Any use that requires high-temperature stability, low vapor pressure, or chemical inertness
| Grease Typical Properties | |
| NLGI Consistency | Grade 2 penetration |
| Vapor Pressure | |
| Torr at 20 °C (68 °F) | –1.0 x 10–13 |
| Torr at 200 °C (392 °F) | –1.0 x 10–5 |
| kPa at 20 °C (68 °F) | –1.0 x 10–14 |
| kPa at 200 °C (392 °F) | –1.0 x 10–6 |
| Evaporation Loss | |
| 4 x 10–6 torr at 150 °C (302 °F) | |
| (30 min) wt% | 0.1 |
| (60 min) wt% | 0.2 |
| (120 min) wt% | 0.2 |
| Evaporation Loss | |
| 22 hr at 200 °C (392 °F) | <0.3% |
| Density, 25 °C (77 °F), g/cc 1.94 | 1.94 |
| Base Oil Typical Properties | |
| Average Molecular Weight | 9500 |
| Kinematic Viscosity, cSt | |
| 40 °C (104 °F) | 740 |
| 100 °C (212 °F) | 64.5 |
| 200 °C (392 °F) | 8.8 |
| Pour Point | –15 °C (5 °F) |
Chemically Inert
Krytox™ LVP high-vacuum grease has demonstrated an exceptionally high degree of chemical inertness to many highly reactive chemicals. For example, Krytox™ LVP grease shows no evidence of reactivity when exposed to:
- Boiling sulfuric acid
- Fluorine gas at 200 °C (392 °F)
- Chlorine trifluoride at 10–50 °C (50–122 °F)
- Uranium hexafluoride gas at 50 °C (122 °F)
- Molten sodium or potassium hydroxide at 318–360 °C (605–680 °F)
- Hydrogen gas at 250 °C (482 °F) and 250 psi
- Ammonia gas at 250 °C (482 °F) and 50 psi
Krytox™ LVP is not reactive with any of the following materials when tested at room temperature:
- Ethyl alcohol
- Hydrazine
- Diethylenetriamine
- 90% hydrogen peroxide
- Nitrogen tetroxide
- JP-4 turbine fuel
- Unsymmetrical dimethyl hydrazine Aniline
- Inhibited red fuming nitric acid
- Halogen acids
- Chlorine or bromine
Nonflammable
Krytox™ LVP grease is nonflammable under all conditions likely to be encountered in service. It shows no autogenous ignition, flash, or fire points up to the highest temperature tested, 649 °C (1200 °F), in standard AS™ tests.
Compatible with Oxygen
At elevated temperatures and pressures, Krytox™ LVP high-vacuum grease is highly resistant to attack by gaseous and liquid oxygen. As a result, it is the lubricant of choice in industries that manufacture or use oxygen.
Tests confirming the non-reactivity of Krytox™ lubricants with oxygen were performed at a variety of conditions.
