Sustentar - to defend [v.], to feed (§ p.,p.p.: fed) [v.], to maintain [v.], to nourish [v.], to support [v.], to sustain [v.]

None of those really make good sense in English when describing a lubricating film.


Here are two examples using your vocabulary that use 'strongly adhering' or 'adequate' to describe a 'lubricating film'

Products - Product Group 3... Forms a strongly adhering and pressure resistant lubricating film. Good penetrating effect. ... Service temperature: -30 ºC to +100 ºC. CEDRACON K Spray ...
www.fuchs-lubritech.de/english/6/63produktgruppe3_e.htm - 35k

QBC Sect 00 pg T1-T47
File Format: PDF/Adobe Acrobat - View as HTML
... not sufficiently high to maintain an adequate lubricating film. In addition,
the PV limit is affected. by the static load-carrying capacity of the ...
www.qbcbearings.com/ss/pdf/!QBCSEC.PDF - Similar pages

[PDF] Severe Duty Motors
File Format: PDF/Adobe Acrobat - View as HTML
... motor is not turning fast enough to ensure an adequate lubricating film in the
... at the motor should be (20 PSIG) at the maximum service temperature. ...
www.franklin-electric.de/de/pdf/8_severe_duty.pdf



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Note added at 1 hr 5 mins (2005-03-29 15:00:48 GMT)
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Here\'s an even better option. STABLE

OWS - Redefining Auto Servicing... It offers a stable lubricating film especially at extreme temperatures and high engine speeds thereby allowing performance engines to maximise its ...
www.ows.com.au/products_lubricants.html - 13k