| abstract |
The present invention relates to the use of at least one alkane-sulfonic acid of formula R-SO3H, where R represents a saturated hydrocarbon chain, linear or branched, comprising from 1 to 4 carbon atoms for the elimination of rust on all types of surfaces, including metal surfaces, in particular especially iron, steel and others. The invention relates to also a method of cleaning rust on all types of surfaces to using at least one alkanesulphonic acid. |