 American Moistening Company |
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Company Information Contact Us Site Map HIGH PRESSURE SYSTEMS High Pressure Overview Printing and Paper Textiles Wood Products |
Wood Products AMCO manufactures direct spray high-pressure humidification systems designed to keep wood at its EMC for wood product manufacturers. Recommended Relative Humidity Levels
Equilibrium Moisture Content (EMC) The practical objective of all wood seasoning, handling, and storing methods should be to minimize moisture content changes in wood during service. The EMC is a moisture content at which the wood is neither gaining nor losing moisture. An EMC between 5% and 8% is recommended. This is the percentage of moisture of its bone-dry weight. Wood is dimensionally stable when the moisture content is above the fiber saturation point. Wood dimensions change as it loses or gains moisture below that point. Since wood shrinks when losing moisture and swells when gaining moisture, this shrinking and swelling may result in warping, checking, splitting, or performance problems. The shrinkage of wood is affected by a number of variables. In general, the greater the density of the wood, the greater the shrinkage. AMCO's Humidification System Advantages Maintains proper EMC, therefore eliminating stress and dimensional change which causes cracks, checking, warping, splitting, cupping, bowing, twisting and telegraphing. The defects from these stresses are usually unrepairable. Machine quality is improved and tool life is increased by decreasing blow-out and constantly maintaining machining reference points.
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