| abstract |
(57) [Summary] [Purpose] To provide an antibacterial agent for a sandbox that can accurately prevent the sandbox in a park or the like from being contaminated with various bacteria. [Structure] P 2 O 5 : 40 to 60 mol%, one or more selected from CaO, MgO and ZnO: 35 to 45 mol%, K 2 O or Na 2 O: 15 mol% or less, Al 2 O 3 : 2 to 6 mol%, Si O 2: Sand antibacterial agent consisting of 10 mole% P 2 O 5 based soluble glass in weight percent 0.5% to 2% silver-containing soluble glass with the addition of Ag 2 O in the composition consisting of. |