Emulsifiable concentrates of biocidal materials, aqueous microemulsions obtained and the application of these microemulsions wood treatment

Emulsifiable concentrates in liquid water comprising: A) an active material based fungicide substances consisting of a triazole derivative and a quaternary ammonium salt, and B) a liquid vehicle consisting of a dissolution medium of the active ingredient and optionally an oil-based additive (s) and / or agent (s) of attachment, characterized in that the active material additionally contains a third fungicide substance consisting of a benzimidazole derivative and the middle of dissolution comprises two obligatory solvents consisting torque ether alkanol and diol / carboxylic acid. Application of these concentrates for preparing aqueous microemulsions useful for the protection of wood.