| 摘要 |
There is prepared a granulated washing agent builder consisting of 70 to 80 wt. % of a water insoluble silicate capable of binding calcium, the silicate being in the form of a finely divided, bound water containing, synthetically produced crystalline compound of the general formula (Kat2/nO)x.Me2O3.(SiO2)y (I), in that Kat is a cation exchangeable with calcium and having the valence n, x is a number from 0.7 to 1.5, Me is boron or aluminum and y is a number from 0.8 to 6, 4 to 5 Wt.-% sodium sulfate 2 to 3 Wt.-% nonionic tenside 0 to 1 Wt.-% alkali 0.5 to 1 Wt.-% carboxymethylcellulose, methylcellulose or a mixture thereof balance Water. |
