| 摘要 |
A toilet cleaning block which comprises perfume, at least one alkylbenzene sulfonate and at least one olefin sulfonate and not more than 2.5% by weight of nonionic surfactants can be shaped in a rolling machine or a press to give a rotationally symmetric body, especially to give a ball, and is employed in a system composed of at least one cleaning block and at least one release device. |
