Patent ID: 8413475

Claim:
A rolling fluid comprising: (a) a hydrocarbon base comprising at least 50% by weight of isoparaffins; (b) one or more friction modifiers selected from fatty alcohols, fatty acids, fatty amines, fatty acid esters, or polymer esters obtained by the esterification of alpha olefin and dicarboxylic acid copolymers by alcohols; and (c) one or more anti-wear and/or extreme pressure phosphorus-containing additives selected from organophosphorus compounds derived from phosphoric acid and/or phosphorous acid, the fluid having a phosphorus content measured according to standard NFT 60-106 at least equal to 500 ppm; with the condition that when the fluid contains only phosphoric acid derivatives by way of compound(s) (c) it contains at least one sulphur-containing or phosphorus/sulphur-containing compound and its sulphur content measured according to standard ASTM D 2622 is at least equal to 300 ppm.