Many people know that mahogany furniture is made of natural materials, and does not contain formaldehyde, benzene and other harmful substances, but many people find that mahogany furniture will change color permanently. It's incredible, why is the price of natural, expensive mahogany furniture discolored? In fact, it is not difficult to understand that no one thing is perfect, gold that is more precious than mahogany has been worn for a long time, the color will turn black, and the weight will be Will become lighter. In fact, mahogany furniture has been used for a long time, which is a normal phenomenon. Today, Xiaobian and you together with science, why do mahogany furniture change color for a long time? Since the wood itself is hydrated, even if it is artificially dried, it does not remove 100% of the water from the wood, and the presence of proper moisture in the wood is one of the reasons for maintaining the toughness of the wood. If the water content in the wood is relatively high and it is in contact with air for a long time, the surface of the wood is easily oxidized with air, such as pigments, alkaloids and sugars contained in wood, among which phenols and other organic substances are the most important. The phenolic compound is colorless before oxidation, and some of it is soluble in water. After oxidation, a water-insoluble condensate is formed, and the color is red, reddish brown, and brown, which is an oxidative discoloration. Some woods contain tannins, often referred to as plant tannins, which are a mixture of polyphenols. If exposed to iron in wet conditions, the tannins in the wood react chemically with iron (forming iron tannic acid). Make the color of the wood discolored. In fact, the discoloration of mahogany furniture is a normal phenomenon, the process of companionship of important mahogany furniture, so it is important that a state of mind is the process of time passing. Want to buy mahogany furniture, Xiaobian recommended China Xianju classical craft furniture industry network, the platform brings together many quality suppliers, as well as professional inquiry quotation system, after-sales protection, suitable for procurement.
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