logo Silicone HV Grease


Suitable temperature range of -40˚C to 250˚C. Vapour pressure in order of 5 x 10-8 Torr at 25˚C. Available in 100g tubes.  Colour is white.  Functional Fluids HV grease offers improved resistance to acidic attack, due to the presence of phenyls in our formula.

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Our high vacuum grease is suitable for use in diffusion pumps industrially or in the laboratory or other low pressure applications. We can also supply High Vac Blue grease. For temperatures up to 150˚C High Vacuum Blue grease can be easily applied between -10 and +60˚C. HV Blue has excellent vacuum characteristics for temperatures up to 150˚C and maintains it's physical form up to 175˚C. The blue tracer element makes full coverage much easier and makes leak detection easier under vacuum.
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Available in 70g pots.

Health and Safety data available:

For bulk orders and wholesale prices please contact us here: sales@functionalfluids.com
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We are a small family run company based in Kent in the United Kingdom and have many years of experience in the manufacture of silicone and mineral oil based products.

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