Titanium Madi: How to deal with the shrinkage and swelling of wood

Dry shrinkage of wood: the property of wood to reduce its size when dry. Dry shrinkage does not occur in the whole process of wood moisture evaporation, but only the water content below the fiber saturation point begins. Below the fiber saturation point, the wood shrinkage gradually increases with the decrease of water content, and waits until the water content is reduced. Until zero, the shrinkage is at its maximum.

The swelling of wood: the characteristic that the wood absorbs moisture and increases its size and volume. It starts from the time when the water content is equal to zero, and increases with the gradual increase of the water content of the wood. When the water content of the wood reaches the fiber saturation point, the expansion amount reaches the maximum. During the drying process of wood, due to poor drying, it may cause defects such as warpage and cracking of wood. Wood can change its size at any time due to changes in atmospheric humidity. In the production process, reasonable drying process and other measures are taken to reduce the shrinkage and swelling of the wood, which is of great significance in the utilization of wood.

The expansion and contraction of wood is ultimately due to the infiltration of moisture into the microfibrils, which increases the gap between the filaments, which in turn affects the change of wood size. Under certain conditions, the increase of microfibril gap is limited. Stable size can be achieved if, under conditions of sufficient swelling, a substance is introduced to these gaps to limit the return to its original state when the water is lowered. However, only the water in the wood can cause the change of the size of the wood. This part of the water and the wood are combined in the form of chemical bonds and hydrogen bonds. If the hydrophilic group (mainly an OH) in the wood is removed or reduced, thereby reducing The water absorption of wood can also increase the stability of wood size.
The shrinkage and swelling of wood will appear in solid wood furniture. Titan Madi tells you how to deal with the shrinkage and swelling of wood:
You can take the humidification method: green plants that increase indoor humidity, such as plants with more volatile water, etc. If there is a humidity meter, then 40%-60% is the best for wood, and the human body also adapts to this humidity. Excessive direct humidification will cause the wood to swell and mold, and the place where the sun can be directly exposed will be relatively dry, so pay attention.
It can also be prevented by the care of wood wax oil. The moisture of the wood can not be maintained only by maintaining the proper air humidity in the room. The wood wax oil will be a good choice. It will lock the moisture in the wood and prevent the solid wood furniture from cracking. Deformation, Titanium is recommended for full application with wood wax oil. This can be useful not only for drying but also for too much moisture.

Source: GO Jiaju Furniture Network

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