| abstract |
This composition comprising (% by weight) from 4 to 5% of one or more tall oil fatty acids, from 4 to 6% of terpene derivatives, from 3 to 5% of a C1 -C4 alkanol, from 1, 5 to 3.0% of a nonionic surfactant, from 0.3 to 0.6% of sodium or potassium hydroxide, if necessary additives in sufficient quantity, the remainder being constituted by water, is characterized according to the invention in that it contains from 1.5 to 3% of sodium carbonate and from 1 to 3% of an organic sequestering agent chosen from the sodium salts of nitrilotriacetic acid, of ethylenediaminetetraacetic acid, diethylene-triamine-pentaacetic acid, acid-diethylene-triamine-pentamethylene-phosphonic, ethylene-diamine-tetramethylene-phosphonic acid and citric acid. |