>>> Classification and use of plates
Misunderstanding 1: Particleboard is more environmentally friendly than MDF
Currently on the market, plate furniture is mostly made of particle board and medium density board. Because both types of wood are made of wood after processing and crushing, adhesives are made of glue. How much of the glue determines the chemical composition is the degree of environmental protection. . The reporter learned that most consumers are very concerned about which of the two plates is more environmentally friendly. Therefore, many sales staff often mislead consumers when they sell their products. During the interview, a furniture salesman told reporters when he introduced the product: “Our panels are all solid wood particleboards in the northeast. You see, the size of the particles and the amount of glue used is the same as those made of glue. It's much more eco-friendly than their density board!" Is that really the case? Experts from the China Furniture Association told the reporter: "The environmental standards of qualified MDF and particle board that meet national standards are the same. There is no more environmentally friendly argument." The so-called MDF is usually referred to as MDF. Also known as medium density fiberboard. Is the use of wood or plant fiber mechanical separation and chemical treatment, mixed with adhesive and waterproof agent, and then paving, molding and high temperature, high pressure pressure of a man-made board, its density is uniform, mechanical properties close to the wood, is currently An artificial plate that is more popular in the world. The difference between particleboard and MDF is that the raw material of the particle board is not completely crushed into fibers, but is crushed into granules, which are commonly referred to as shavings, and then glued together; and the MDF is made of wood. Crushed into fibrous and then glued together. Particleboard density and medium density fiberboard are relatively close, but because the particleboard is formed by adding shavings to the adhesive, its density is not uniform, the middle is low, and both ends are high, so its holding power is lower than that of medium density fiberboard. And the surface of the MDF is finer and flatter than the particle board. However, particleboard is better in terms of moisture absorption and moisture resistance than MDF, and the price is relatively low. Therefore, it can be said that qualified MDF and particle board only have their own advantages in terms of function, and there is no one that is more environmentally friendly.
Misunderstanding 2: Solid wood particle board is "new environmental protection product"
Due to the continuous use of panel furniture made of MDF and particle board that did not meet the national standards, many cases of indoor pollution have been caused, resulting in poor reputation of both types of plates. Therefore, many sales personnel have made new appearances for these two kinds of plates. The name misleads consumers. The most common name is to say that the MDF is a particle board and the particle board is a particle board. Some sales staff will add the word "solid wood" in front of them to indicate that they are "natural and environmentally friendly" products. A salesperson at Xianghe Furniture City near Beijing told reporters: “We use new products developed by our company, natural wood particle board, and absolute environmental protection.†When consumers carefully question the difference between wood particle board and solid wood The salesperson is ambiguous and refuses to recognize their real identity: "The solid wood particle board is the solid wood particle that suppresses it. There must be a difference between the wood and the solid wood, and the panel furniture will be different! However, if you look at this price, it is the same as environmental protection. Solid wood furniture can be so cheap? "If the consumer stroll down the road, met a seven or eight sales staff say so, can not faint!
Misunderstanding 3: Blockboard is a solid wood board
Blockboard, also known as the big core board, cuts logs into strips, splices into cores, and is finished with surface materials. Because the main materials are solid wood, many sales personnel will introduce green sheets. In fact, large core boards are artificial sheets containing adhesives.
Misunderstanding 4: Triple Hydrogen Ammonia Board is MDF
In the interview, the reporter discovered that many sales staff will tell you that they are using a tri-hydrogen ammonia board when they introduce their products. When the reporter further asked what kind of sheet of tri-hydrogenated ammonia board, he was told: “Tertiary hydrogen ammonia The board is a medium-density board.†And consumers are misled by the sales staff, it is generally believed that the tri-hydrogen ammonia board is a medium-density board, on the contrary, the medium-density board is a tri-hydrogen ammonia board. In fact, this kind of board is a paper printed with color or imitation wood grain, which is immersed in melamine transparent resin and then affixed to the surface of the substrate by hot pressing. After melamine resin is cured, the veneer has good physical properties such as abrasion resistance and scratch resistance, and has a certain resistance to open flame performance. The sheet made of this kind of material is called tri-hydrogen ammonia sheet, and the base material is different. MDF, particle board, etc. can be made into tri-hydrogen ammonia sheet.
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