| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a water soluble glass composition exhibiting high bactericidal effect and improvement and prevention effect of algae and slime trouble over long time, and effects for scale inhibition and corrosion prevention for various water to be treated such as cooling water for a cooling tower, and capable of improving water quality.SOLUTION: There is provided a water soluble glass composition containing, by mol%, SiOof 56.0 to 60.0%, NaO of 38.0 to 40.0%, CuO of over 0% and less than 1.0%, ZnO of over 0% and less than 1.0%, BOof 1.0 to 3.0%, AlOof 0 to 1.0%.</p> |
