| 摘要 |
PROBLEM TO BE SOLVED: To eliminate such cleaning using an acidic detergent, hard brushes, or the like, as to deteriorate pottery surfaces from daily cleaning by consisting of the subject surface treating agent of respective specific ratios of a polyalkylsiloxane, a catalyst and a solvent. SOLUTION: This treating agent is a one-component type silicone resin-base coating agent which consists of 20 to 30 wt.% polyalkylsiloxane, <=2 wt.% catalyst and 70 to 80 wt.% (total is 100 wt.%) solvent and cures at room temperature. The catalyst is preferably an organic tin component, for example, butyltin laurate and the solvent is preferably an aromatic solvent, for example, toluene. A coating treatment is carried out by bringing the coating agent and the sanitary pottery into contact with each other. Coating films are then formed by carrying out the drying treatment of the sanitary pottery surfaces. The sanitary pottery formed with the coating films is daily used and the daily washing treatment accompanying the use is carried out by bringing a neutral detergent free of a polishing agent and the sanitary pottery into contact with each other.
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