| abstract |
PURPOSE: To obtain a cleaning agent capable of removing scale attached to the interior of trap or drain pipe at a short time by only throwing into a toilet stool without using a specific apparatus, by blending hydrogen peroxide used as a main component with an inorganic or organic acid and water. n CONSTITUTION: The aimed cleaning agent obtained by blending (A) hydrogen peroxide, preferably of 5-30% used as a main component with (B) inorganic or organic acid (preferably either one acid) such as sulfamic acid, hydrochloric acid, hydroxyacetic acid or acetic acid, preferably of 1-15% and (C) water of 6-56%. n COPYRIGHT: (C)1989,JPO&Japio |