The present invention relates to a water-soluble aluminium and aluminium
alloys hot rolling composition comprising a base stock oil and, based on
the total weight of the composition, from 1 to 80% by weight of a
combination of: a monoester of a fatty acid with a polyol and a tetraester
of a fatty acid with pentaerythritol; the weight monoester:tetraester
ratio of said combination ranging from 1:20 to 10:1. The invention also
relates to an oil-in-water emulsion, to a hot rolling process and to the
use of the oil-in-water emulsion in a hot rolling process.
