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Moisture content fiber saturation point shrinkage and swelling specific
Preparation of timber for treatment
7 other sections not shown
air space air-seasoned Amer Assoc average moisture content bleeding Boulton process cell walls charge checking and collapse coal-tar creosote coast Douglas-fir computed conifers considerably cubic foot diameter Douglas-fir eastern hemlock effect empty-cell treatment factors fiber saturation point figure final vacuum full-cell process full-cell treatment green gross absorption hardwoods heartwood timbers heating medium heating period heating-medium temperature illus initial wood temperature kick-back Lodgepole pine material maximum method mixtures obtained percent of sapwood percentage petroleum piling poles ponderosa pine pounds per cubic preliminary air pressure preservative oils preservative pressure preservative temperature pressure period rate of temperature red oak round timbers sapwood thickness sawed timbers seasoned wood seasoning shows side penetration softwoods southern pine southern yellow pine species specific gravity specimens springwood steaming-and-vacuum surface area temperature change temperature tx tion total volume tracheids treated wood treating conditions tyloses vacuum period viscosity volumetric absorption water solutions western larch Wood-Preservers