Treatment of Peeler Cores with Water-Dispersible Preservative Formulations

H. M. Barnes


Hardwood peeler cores were conditioned and treated with either water-dispersible pentachlorophenol (PWD) or water-dispersible zinc naphthenate (ZWD). The results indicated that adequate treatment could be obtained with either system using conventional treating cycles and methods of conditioning stock for treatment. Treatment was related to heartwood content and was better for the ZWD system. This difference was attributed to the swelling ability of the ZWD system. Sweetgum treated better than yellow-poplar. Presteaming dry stock led to improved treatment and flatter preservative gradients.


Preservatives;pressure treatment;kiln-drying;steam-conditioning;steaming;yellow-poplar;sweetgum;pentachlorophenol;zinc naphthenate

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