This document specifies a method for determining the leaching of active ingredients or other compounds from preservative treated wood by a semi-field method for Use Class 3 (outdoor above ground). The preservative treated wood can be tested with or without subsequently surface coating or other water-repellent treatment. The method is applicable to the testing of commercial or experimental preservatives or paint systems applied to timber by methods appropriate to commercial practice.
PUBLISHED
DS CEN/TS 16663:2016
IN_DEVELOPMENT
prSSH EN 16663:2025
40.60
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May 11, 2026