BS EN 351-1:2023
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BS EN 351-1:2023 Durability of wood and wood-based products. Preservative-treated solid wood - Classification of preservative penetration and retention
This part of the EN 351 series establishes a classification of preservative-treated wood in terms of preservative penetration and gives guidance on a classification of retention. These can be used as a basis for specifying preservative treatments for particular products.
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