Apiezon L is specially formulated as a silicone and halogen-free ultra-high vacuum grease suitable for use scientific and industrial applications.
Apiezon L Grease has the best vapour pressure properties of all the Apiezon products and is therefore suitable for use in ultra-high vacuum applications. L Grease is regularly used by highly respected organisations such as The European Space Agency, NASA and NATO.
Apiezon L Grease is designed for use at ambient temperatures (generally between 10 to 30°C / 50 to 86°F). If you are looking for a grease capable of performing at higher temperatures, Apiezon 101 may be more appropriate.
As a halogen-free product Apiezon L Grease has a built-in resistance to irradiation. Other high vacuum greases such as esters, silicones or halogenated paraffins decompose at radiation levels of 0.1 MGy or less. In contrast, L Grease maintains excellent lubrication properties in high radiation applications, despite a small increase in stiffness when irradiated with 4 MeV electrons to 1 MGy. Additional, Apiezon L has strong powers of absorption, particularly for other hydrocarbon molecules due to its complex hydrocarbon structure and very high molecular weight. Consequently, it is frequently used as a stationary phase in gas chromatography.
Properties:
Download the MSDS for Apiezon 'L' here
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