PURPOSE: To obtain the title agent exhibiting wide antifungal spectrum and being excellent in compatibility with coating without discoloring coating film by blending two kind of fungicides consisting of 2,3,5,6-tetrachloromethylsulfonyl pyridine and iodopropagylbutyl carbamate.
CONSTITUTION: 2,3,5,6-Tetrachloromethylsulfonylpyridine and iodopropagylbutyl carbamate which are fungicides are blended to provide the alga and fungus preventing agent remarkably widening in antifungal spectrum to Chlorophyceae, Cyanophyceae and fungus, being excellent in compatibility with coating without discoloring coating film. The alga and fungus preventing agent is added, preferably at an amount of 0.001-1wt.% to use the agent as a coating composition. Occurrence of algae and fungi in the wall surface of a building can be prevented for a long period and coating film is not discolored by applying the above- mentioned composition to exterior or interior of the building.
NAKAIDA YASUSHI
ARAI SHIGEFUMI
FURUHATA AKIO
