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Technical Guide - Fomblin PFPE Greases
Chemically inert lubricating greases technical data

Description Instructions Sizes, Prices & Offers

Chemically inert lubricating greases are required when handling corrosive or oxidising substances. Fomblin fluorinated fluids are an excellent base product for high performance greases. Fomblin greases are derived by thickening Fomblin fluids with tetrafluoroethylene telomers.

General Properties of Fomblin greases

Fomblin greases are thick, white, homogenous lubricants, and are particularly resistant to degradation by chemical agents. They are thermally stable. They are compatible with all types of material (glass, metal, elastomers, plastomers, ceramics). Fomblin greases can be used with virtually all organic substances and solvents that are not highly fluorinated, without being removed, dissolved or modified in any way.

Thermal stability

Fomblin greases have no dropping point and can be used at high temperatures and in oxidising conditions.

Chemical resistance

Fomblin greases are inert and do not react (even at high temperatures) with fuels, acids, inorganic alkalis, halogens, fuming nitric acid and oxidising solutions.

Compatibility with metals and structural materials


Fomblin greases are compatible with all types of polymers, plastics and elastomers. During tests over one month at 20C none of these materials (nitrile, butyl, polyfluorosiloxane, EPDM rubber) revealed swelling, mechanical or physical alterations. Melamine, phenolic, polyoxymethylene, polyoleofin resins are not altered after contact with Fomblin greases for one month at 100C.

Solubility and wash out

Fomblin greases are stable, do not emulsify with water, and are resistant to all solvents except highly fluorinated solvents. Therefore Perfluorosolv and Galden SV can be used to clean surfaces lubricated with Fomblin greases. The compatibility of Fomblin greases with common solvents is given below.


















SolventFomblin grease behaviour
Petroleum etherUnaltered
OctaneUnaltered
BenzeneUnaltered
Ethyl etherUnaltered
DioxaneUnaltered
Ethyl acetateUnaltered
DimethylketomeUnaltered
TrichloroethyleneUnaltered
ChloroformUnaltered
Carbon tetrachlorideUnaltered
MethanolUnaltered
WaterUnaltered
PerfluorooctaneSoluble
Galden SVSoluble
PerfluorosolvSoluble

For professional use only. The above information is given in good faith but without warranty and does not constitute a technical specification. For technical support and application guidance call 01539 722247. Technical specifications and certificates of conformity and analysis available on request.

Instructions for Use
Use only as directed on the product label, or contact SwanTek on 01539 722247 for technical advice.

Special Offers
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Notes
1. Prices exclude VAT and are valid only for pack sizes stated. Prices subject to change without notice.
2. For volume discounts other than those shown above call 01539 722247.
3. Delivery is usually next working day for items in stock. Delivery charged by weight from 13.50 to a maximum of 45.00. Additional charges apply for delivery to Scottish Highlands, Northern Ireland and offshore islands, and for timed deliveries, hazardous goods and branded lubricants.
4. All major credit/debit/purchasing cards accepted. Minimum credit account invoice applies.