A consumer based in Beijing purchased a set of rosewood-colored study furniture from the south. After a few months, he noticed significant cracks had developed on the pieces. Fortunately, the manufacturer promptly sent technicians to repair the furniture, which helped him avoid further frustration. But why did the new furniture crack so quickly? The answer lies in the moisture content of the wood.
Wood is highly sensitive to changes in humidity. Different regions have varying levels of air moisture, which directly affects the moisture content of the wood. For example, the annual average moisture content in Beijing is around 11.4%, while in Shanghai it's about 16%. In places like Wenzhou and Haikou, it can be as high as 17.3%. When wood is exposed to air, it absorbs or releases moisture to reach equilibrium with the surrounding environment. Therefore, wood from the south tends to have higher moisture content than wood from the north.
When southern-made furniture is brought to a drier climate like Beijing, the sudden drop in humidity causes the wood to lose moisture and shrink, leading to cracking. While cracking can often be repaired, the reverse situation—northern wood being placed in a humid environment—can be more problematic. In such cases, the dry wood may absorb excess moisture, causing swelling and potentially damaging the furniture structure. Once swollen, the damage is usually irreversible.
This raises an interesting question: why are many southern-made furniture products sold in Beijing, and northern furniture sold in the south? The answer is that manufacturers take regional differences into account during production. They treat the wood appropriately before shipping, and adjust their manufacturing processes to suit local climates. Some companies even perform rough processing at the factory and then finish the furniture on-site, ensuring better quality control and reducing after-sales issues.
If you're buying mahogany furniture from another region and the pieces aren't specifically tailored for your area, it’s important to consider the potential impact of moisture content and climate differences. Understanding these factors can help you make a more informed purchase and avoid future problems.
Related reading: What is the essence of mahogany? What are the classifications of Redwood Home?
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