Apiezon M Grease
Apiezon M Grease is a silicone-free and halogen-free high vacuum grease with excellent lubrication properties and radiation resistance.
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Apiezon M Grease is a silicone-free and halogen-free high vacuum grease with excellent lubrication properties and radiation resistance and is ideally suited to high vacuum applications at ambient temperatures. Its inherent versatility means that it is also used for non-vacuum purposes and it is approved for use by NATO.
Apiezon M has been especially formulated to provide excellent lubrication while maintaining an efficient gas seal and is widely used in the manufacture and servicing of high performance vacuum pumps. It is regularly used in analytical techniques such as infrared or mass spectrometry where sample contamination must be avoided. Apiezon M Grease also 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.
As a halogen-free product, Apiezon M 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, M Grease maintains excellent lubrication properties in high radiation applications, despite a small increase in stiffness when irradiated with 4 MeV electrons to 1 MGy.
Properties:
- Recommended for use in high vacuum environments at ambient temperatures (generally between 10 to 30°C / 50 to 86°F)
- Does not suffer from contamination problems associated with silicone based greases such as 'creep' or 'carry over'
- Vapour pressure of 1.7 x 10-9 Torr at 20°C
- Built-in radiation resistance
- Powerful 'gettering' action, meaning it absorbs potentially harmful grease and chemical impurities on metal and glass surfaces
- Easy to clean and remove as it is soluble in hydrocarbon solvents
- Apiezon M Grease
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