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A lot of furniture is a major source of formaldehyde for indoor use.
Formaldehyde in furniture, mainly from the adhesive in the board, is the glue. Many years ago, the glue used in woodworking operations was relatively green and environmentally friendly. They were all hand-tanned. But nowadays, the glue is chemically modulated, and the process and cost are convenient. However, the health hazard has been rising exponentially.
To be sure, the current plate furniture or custom furniture on the market basically contains formaldehyde. The so-called environmental protection is also based on the content. The so-called qualified furniture is also only the formaldehyde content within the scope of the state.
The formaldehyde of the furniture exceeds the standard. Generally, there are two sources. One is the raw material of the furniture, that is, the formaldehyde of the plate itself exceeds the standard; the other is that in the production process, the manufacturer uses the inferior binder, which leads to excessive formaldehyde.
In fact, in the furniture market, even if it is some of the solid wood furniture, 80% of the formaldehyde will exceed the standard, why?
Because, a lot of solid wood furniture, not all of them are made of solid wood, may be just the surface visible, using solid wood. In the back, drawers, partitions, etc., may be replaced with wood board or composite board, which will cause formaldehyde to exceed the standard.
There are also solid wood furniture, it is more likely to sell sheep meat, some so-called solid wood furniture, in fact, are ordinary plates.
Some of these kinds of plates are made of wood powder and glue high pressure. The average consumer will be blinded by its solid density. It is considered to be solid wood furniture. In fact, the formaldehyde in this furniture is seriously exceeded, and the time is distributed for a lifetime.
So, how to identify solid wood furniture?
There is a secret: "One look; two smells; three knocks; four"
A look: solid wood furniture generally rarely uses large plates, this is because the wood of large pieces of wood has a large thermal expansion and dry deformation, so the panels of solid wood furniture are generally made of multiple pieces of wood. As a result, there are few large, beautiful overall wood patterns on the panel. The various parts of solid wood furniture are connected, generally with a æ¦«å¯ connection, and in some key parts, there will be screws and various protective blocks.
Second smell: solid wood furniture will have the fragrance of the wood of its own, and the synthetic board will smell the thick binder.
Three knocks: All solid wood furniture panels, with a hand tapping, will make a crisp sound; while fake solid wood furniture, when tapped by hand, will hear the sound is relatively low, stuffy.
Four 掂: All solid wood furniture is relatively heavy.
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