Leaching of the new boron based biocide from coated wood

IRG/WP 01-30267

M Petric, M Pavlic, F Cadez

We investigated leachability of the new boron based biocide - a complex of an amine and boric acid - from vacuum impregnated spruce wood samples. It was determined by the standard ENV 1250-2 procedure that the new biocide is susceptible to leaching so from the water borne as well as from the ethanol borne boron containing preservative treated wood. Leaching may be retarded by application of surface coatings. The ability of a surface finish to prevent leaching is correlated to its water vapour permeability.


Conference: 01-05-20/25 Nara, Japan

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