In the home decoration, the most suitable and most versatile information is the board, the floor, the door panel, the furniture, the bed, the background wall, the wooden ceiling, etc., all use the board as the primary information. However, one thing is that you need to know that if the raw materials of the sheet are not good or the environmental protection is poor, it will affect your health and the overall quality of the home decoration. So, the question is, how to choose environmentally friendly plates? Let's discuss it with Xiaobian! .
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At present, there are many "wolves in sheep's clothing" on the market. They are coated with 1 mm thick logs of teak, maple and eucalyptus on the surface of the artificial board, and then painted with wood. This 1 mm, thick, there is no friend, the merchants are also arrogantly called: this is solid wood plate! I’m squatting, I’m reading less, I don’t want to lie to me! Most of the plates we usually use are artificially processed artificial boards. In the manufacture of artificial panels, the bonding of the sheets is a necessary process for all artificial panels. Home improvement killer formaldehyde, that is, it is silently "ambush" in the glue.
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One: solid wood board
It is the best environmentally friendly wood board in the home improvement. Wangwenshengyi, which is made of well-prepared wood, does not contain any chemical components, pure natural materials, but the price is high, the construction process is demanding, and the solid wood board is generally not used in the home decoration except the floor and the door.
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Two: finger joint board
Also known as the laminated timber, it refers to the narrow and short wooden strips selected from the vertical joint of the adhesive (commonly connected with the tooth type), and then the horizontally widened and the upper and lower sides are sanded; due to the vertical selection of the serrated interface, Similar to the two-handed finger insertion and docking, it is also called the fingerboard.
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Three: Blockboard
Commonly known as large core board, wood core board, wood board, Ma Liu deck, is made of two veneers (one layer or two layers above and below) glued together to form a wooden board. According to the number of layers, it can be divided into three layers, five layers, and multiple layers of blockboard. The outermost veneer of the five-layer blockboard is called the watchboard, the inner veneer is called the middle plate, and the middle splice plate is called the core plate.
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Four: plywood
Also known as splint, multi-layer board. It is a three-layer or multi-layer plate type material which is made by cutting a piece of wood into a veneer or a thin plate and making the fiber direction of the adjacent layer veneers straight together. The plywood can improve the utilization rate of the wood and is a primary way to save wood.
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Five: Particleboard
Use wood chips and wood trim, and add adhesive to limit. The cross-section of the sheet of the particle board is composed of three layers, the outer two are fine particles, and the middle layer is the comparatively large particles.
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Six: MDF
Also known as fiberboard, it is made of wood fiber or other plant fiber as raw material, and the thickness is increased by applying adhesive. Look at the cross-section of the MDF, which are pressed together with the fine wood particles of the same color and raw materials.
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It is not difficult to see that the smaller the “volume†of the wood in the board, the more glue is used: the wood strip (finger board) – the thin board (carpentry board) – the large particles (chipboard) – small particles ( MDF). It is still an old saying, "Whether the board is environmentally friendly, it is necessary to look at the glue." At present, there are three environmental protection specifications for E0, E1 and E2. The state has a clear regulation on the formaldehyde emission of the board: the formaldehyde emission of the building materials directly used indoors must be less than or equal to 1.5 mg per liter, that is, reaching the E1 level; if the formaldehyde emission is less than or equal to 5 mg per liter, That is to say, E2 grade plate, it is necessary to be used for interior treatment after finishing treatment; formaldehyde emission exceeding 5 mg per liter is substandard.
In addition to the E0 grade plate using formaldehyde-free isohydro acid gum (a water-based glue), E1 grade, E2 grade board basically uses urea-formaldehyde glue containing formaldehyde. Therefore, the selection of environmental protection grades is a major content. In the national restrictions, products that fail to pass the Chinese environmental symbol certification, if their formaldehyde emission can reach the fundamental request of E1 and E2, the products are also It can be sold on the market, but the E2 class is limited to outdoor use. In this regard, the user should pay attention to the fact that since the production cost of the E2 grade is lower than that of the E1 grade, it is not appropriate to use the E2 grade sheet as an environmentally friendly sheet for interior decoration when purchasing and accepting the sheet.
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[blind spot]
Climbing with "solid wood" is really misleading consumers
What is a multi-layer solid wood board? The multi-layer solid wood board in the business mouth is actually plywood. The reason why it is not called the scientific name is to mislead consumers and let them feel that this information is closely related to the relationship between solid wood and solid wood. In addition, the solid wood cover is not limited to more than one layer of solid wood panels. Solid wood particle board, Australian pine board, etc., they all have a blood relationship with the solid wood from the name, in fact, it is particleboard and MDF.
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“Ecological board†is not the ecology you think
Eco-board, there are many kinds of names in the industry, the common name is paint-free board and melamine board. The original name was called melamine board. However, due to the pollution of Sanlu milk, I felt that it was “very embarrassing†as a plate. So I was forced to change my name. The industry is collectively called the paint-free board, and it is also called the ecological board. This teaching method is too general, because many eco-friendly plates can also be called ecological boards, which is very simple and confusing.
The melamine board is a decorative panel for attaching melamine facing paper to the surface of the artificial board. Its environmental protection depends on the artificial board used. The melamine finish will not aggravate the pollution at all, and will also release the formaldehyde released from the substrate. A certain closing effect.
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