A Technique for Observing the Penetration of Preservatives Into Wood During Treatment

A technique has been developed which enables the surface of a wood specimen to be viewed during the process of preservative treatment. The specially prepared surface is coated with a transparent cold-setting epoxy resin and is bonded to a Perspex disc which serves as an observation window in a pressure impregnating cylinder. When the pressure treatment is applied the path of the preservative as it penetrates the wood can be observed.

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