| abstract |
A solid detergent composition suitable for use in an industrial warewashing process and in the form of a block of compressed granular material, the block having a weight of 0.2-10 kg and comprising: 25-35% by weight of an alkalimetal hydroxide selected from sodium- and potassium hydroxide; 40-55% by weight of a phosphate builder; 1-3% by weight of a compressing aid selected from low foaming nonionic surfactants, metal soaps, paraffins, talcum powder, polyethylene glycol, sodium benzoate, mixtures of long chain ketones having more than 25 carbon atoms and fatty alcohols, and mixtures thereof; and up to 6% by weight of free water. |