| 摘要 |
PURPOSE:To provide an antibacterial agent for sandbox effective for surely preventing the contamination of the sandbox of a park with saprophyte. CONSTITUTION:This antibacterial agent for sandbox is composed of a silver- containing soluble glass produced by adding 0.5-2% Ag2O to a P2O5-type soluble glass composed of 40-60mol% of P2O5, 35-45mol% of one or more components selected from CaO, MgO and ZnO, <=15mol% of K2O or Na2O 2-6mol% of Al2O3 <=10mol% and SiO2. |
