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    Author(s): S. Nami Kartal
    Date: 2002
    Source: Forest products journal. Vol. 52, no. 2 (Feb. 2002).:p. 44-48 : ill.
    Publication Series: Miscellaneous Publication
    PDF: View PDF  (232 KB)

    Description

    Incising is used to increase exposed wood surface and improve uptake and penetration of preservative during pressure treatment of refractory species. However, incising may also cause increased leaching of preservative when the wood is placed in service. This study compared the rate of leaching from unincised eastern hemlock to that of wood that had been incised to two depths and with two density patterns. Incising greatly increased both the penetration and retention of preservative in the incised wood compared to unincised wood. Doubling the depth of the incisions further improved retention and penetration, but doubling the density of the incisions appeared to benefit primarily the uniformity of preservative penetration. Incising did not increase the percentage of copper, chromium, or arsenic that leached from the wood. This study indicates that the benefits of incising can be obtained without the risk of increased leaching.

    Publication Notes

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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Kartal, S. Nami 2002. Effects of incising on treatability and leachability of CCA-C-treated eastern hemlock. Forest products journal. Vol. 52, no. 2 (Feb. 2002).:p. 44-48 : ill.

    Keywords

    Tsuga canadensis, Copper chrome arsenates, Preservative treated wood, Penetration, Leaching, Incising, Lebow, Stan T

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