Stabilization of iodine-containing biocides using a special azole compound

Industrial materials, especially in the coating material of the alkyd resin base, iodine containing biocide, particularly Arukiniruyou fluoride compounds, Arukeniruyou fluoride compound, or alkyl iodide compounds are excellent in order to stabilize, special azole compound, In particular imidazole, triazole or tetrazole is disclosed.