Bethell process is an excellent method of preserving wood with creosote. This method is highly preferred when high level of absorption of the preservative is required. The Bethell Process Treatment Plant is developed on the same principle that involves filling of cells and saturating the cell walls with the preservative. The timber to be treated is placed in the pressure chamber and the door of the chamber is tightly closed for creating a vacuum. This in result, force out as much air from the cells as is possible.
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Winsol Energy Systems