| 摘要 |
A process for manual and mechanical cleaning and maintaining the interior surfaces of an unloaded mechanical dishwasher machine as such consisting essentially of applying to the interior of the mechanical dishwasher in an unloaded condition a liquid, acid-reacting cleaning and maintenance composition consisting essentially of: (a) from 5% to 50% by weight of an acid having from 2 to 6 carbon atoms selected from the group consisting of alkanoic acids, hydroxy substituted alkanoic acids, alkane polycarboxylic acids and hydroxy substituted alkane polycarboxylic acids, (b) from 3% to 20% by weight of a water-soluble alkane polyol, (c) from 0.1% to 10% by weight of a low-sudsing nonionic tenside, (d) from 0 to 5% by weight of customary additives selected from the group consisting of odorants, dyes, dissolving intermediaris and corrosion inhibitors, (e) from 0 to 30% by weight of a water-miscible alkanol havig from 2 to 4 carbon atoms, and (f) the remainder to 100% by weight of water, where the amount of water is at least 25% by weight, based on the total weight of the composition. |
