[ Chinese wardrobe network ] In 2001, custom wardrobes began to enter the Chinese market. It has been developed for 16 years, and the Chinese custom wardrobe industry is also growing and mature. Customized wardrobes are also increasingly popular with home consumers due to their tailored, stylish, environmentally friendly, and practical features. With the continuous improvement of living standards, people's pursuit of quality of life is also constantly improving. The functional concept requirements for custom wardrobes are also improved, which also makes custom wardrobes from the early functional, to the present decoration, environmental protection. And so on. As the main body of the custom closet - the wardrobe sheet, the different functions of the custom closet are constantly "upgrading" changes.
In 2001, custom wardrobes began to enter the Chinese market, and have been developed for 16 years. The Chinese custom wardrobe industry is also growing and mature. Customized wardrobes are also increasingly popular with home consumers due to their tailored, stylish, environmentally friendly, and practical features. With the continuous improvement of living standards, people's pursuit of quality of life is also constantly improving. The functional concept requirements for custom wardrobes are also improved, which also makes custom wardrobes from the early functional, to the present decoration, environmental protection. And so on. As the main body of the custom closet - the wardrobe sheet, the different functions of the custom closet are constantly "upgrading" changes.
It is understood that there are many kinds of wardrobe plates currently used on the market, such as large core plates, MDF (fiberboard), multi-layer solid wood panels, solid wood particle panels, and the like. At present, most of the domestic wardrobe enterprises use MDF, some use multi-layer solid wood panels, and some use solid wood particle board; while large core boards are only used in some small plus workshops. Among the four types of plates, only the MDF and the solid wood particle board are relatively suitable for the development of the current Chinese custom wardrobe industry market in terms of price and quality, just meeting the needs of most consumers in the current wardrobe market. In the end, what kind of plate is better for custom wardrobes? The following small series compares their advantages and disadvantages.
Large core board
The common name of the large core board blockboard, some places also called the splint, is made of two pieces of veneer in the middle of the glue. The large core board is a wooden strip which is processed into a certain specification, which is made up of a splicing machine, and is then spliced ​​and then pressed by a cold and hot press.
Advantages: The large core board has good nail holding power, high strength, strong quality, sound absorption, heat insulation, etc. The moisture content of the blockboard is not high, between 10% and 13%, and the processing is simple.
Disadvantages: The large-core board uses a large amount of urea-formaldehyde glue in the production process, the formaldehyde emission is generally high, and the environmental protection standards are generally low, which is why most large-core boards are pungent. In the production process, the large core board not only needs enough space for the wood to have sufficient time for adaptive natural drying, but also requires strict drying process control through the drying kiln to produce a qualified large core board. Because the processing site is extremely demanding, most of the large core plates on the market are cut corners during production. When the slats are spliced, the gap is large, and there is a common space inside the plate, so that the nail holding force is basically not guaranteed; the inside of the large core plate The veneer is longitudinally spliced, so the vertical bending resistance is poor. The long-term stress will cause obvious lateral deformation of the plate. The veneer material is different, the density is different, and it is easy to lift only after simple drying. Deformation, the structure is distorted, affecting the appearance and effect. The surface of the large core board is rough and requires on-site carpentry for reprocessing. Therefore, the large core board is far from meeting the needs of the current Chinese custom wardrobe market.
Multi-layer solid wood board
The multi-layer solid wood board is made of three-layer or multi-layer veneer and thin plate through high temperature and high pressure of wood board glue. The main substrate is based on multi-layer plywood arranged in a crisscross pattern, supplemented by polymer green glue, and the surface is made of high-quality solid wood veneer, which is made by several processes such as cold pressing, hot pressing, sanding and health maintenance. . Since the multi-layer solid wood board is pressed by uniform plywood, it has small deformation, high strength, good internal quality, good flatness and strong stability. It can produce 5-40mm layers of different thickness according to different requirements. The multi-layer solid wood board also has the characteristics of not easy to deform and good performance of adjusting indoor temperature and humidity. After melamine finish, the surface of the board has a natural, real wood texture and feel.
Environmental protection: The multi-layer solid wood board is pressed during the pressing process. Because it is laminated with vertical and horizontal veneer and high temperature and high pressure, it not only has the advantages of structural stability and deformation, but also reduces the use of adhesive. It is used in the production process. Molecular glue, after high temperature and high pressure, PVC edge sealing, reduce the formaldehyde content, so that the formaldehyde emission of the plate meets environmental protection standards, green and environmental protection.
Moisture resistance: Multi-layer solid wood board is made of multi-layer veneer, so its structural stability is very good, it is not easy to be deformed, thus solving the deformation defect of solid wood board which is easy to be affected by dry and wet weather in internal stress, so multi-layer solid wood The waterproofness and stability of the board are very good. The strength of the multi-layer solid wood board is mainly related to the base layer of the board. For each additional layer, the strength will be correspondingly enhanced, and of course the cost will increase accordingly. A disadvantage of the multi-layer solid wood board relative to the MDF or the like is that since the production cost is higher than that of the other, the price is higher than that of the other sheets.
MDF
MDF is also called fiberboard. According to the density, it can be divided into high-density board, medium-density board and low-density board. Currently, the medium-density board is mainly used in the market, which is also called MDF. We carefully analyze the characteristics of MDF:
Physical performance
MDF, according to the national standard GB11718-89: using wood fiber or other plant fiber as raw material, applying urea-formaldehyde resin or other adhesive to make a plate with a density in the range of 0.50~0.88, called medium and high density fiberboard, referred to as "MDF". MDF has uniform fiber structure and high bonding strength between fibers, so its static bending strength, plane tensile strength and elastic modulus are good. However, because of the internal grinding of the logs, the nail holding force completely changes the structure of the wood, which is slightly worse than the solid wood particle board, and has higher moisture absorption, water absorption performance and thickness expansion ratio.
Decorative performance
The surface of the MDF is smooth and smooth, and it is easy to be finished and glued. MDF is an aesthetically pleasing decorative sheet. Various veneer, adhesive film, veneer, light metal sheet, melamine board and other materials can be glued on the surface of the MDF.
Processing performance
Since the MDF is made of logs or plants and is completely changed in wood structure, it can be produced from a few millimeters to several tens of millimeters in thickness during the production process. Therefore, the MDF can replace any thickness of wood and square material, and With good machinability, sawing, drilling, grooving, boring, sanding and engraving, the edges of the board can be machined in any shape and the surface is smooth after processing. Therefore, although the hardness is slightly worse than the solid wood particle board, the MDF is now widely used in the domestic panel furniture industry.
Environmental performance
MDF is a milled fiber, so its internal structural characteristics have changed, and a larger amount of adhesive is needed. After the powdered fiber is pressed, it is difficult to release it. To a certain extent, the environmental protection factor cannot be guaranteed.
use
Due to the excellent performance of MDF and the effective way of comprehensive utilization and rational utilization of wood, the production is convenient and the cost is not high. It is one of the current domestic custom wardrobe market.
Solid wood particle board
The solid wood particle board is a board produced by the particle board process and is an "upgrade version" of the particle board. The solid wood particle board is prepared by cutting various kinds of branches, small diameter wood, fast-growing wood and other substrates into a certain size, and then drying, mixing with aldehyde-free adhesive, hardener, waterproofing agent, etc., and pressing under high temperature and high pressure. A wood-based panel is called a solid wood particle board because its profile is similar to granules. Below we will analyze the characteristics of solid wood particle board in detail.
Physical performance
The solid wood particle board is processed by a special equipment such as small diameter material, thinned wood, wood core, board skin, twig and other materials, and is processed by special equipment to grow 40mm, 70mm, width 5mm, 20mm, thickness 0.3mm, 0.7mm. , sizing and special equipment A wood-based panel that is formed by hot pressing at 3,000 Pa or more after the core layer is laid in a crisscross orientation. The solid wood particle board will be processed by the advanced ballistic dryer, the expansion coefficient is small, the moisture resistance is very good, and the flank is carried out by the orientation layer, so its internal texture is uniform, compared with ordinary particleboard and powdery. The MDF has strong nail holding force, bending resistance and stability.
Decorative performance
Solid wood particle board is made of wood scrap material. Compared with natural wood, it has wider surface, smoother and smoother appearance, no defects such as knots, insect eyes and various shapes, no warping, no cracking, physical mechanics. High strength, equal longitudinal and transverse strength, sound insulation, mildew resistance, heat preservation, etc.
Processing performance
The density of solid wood particle board is larger than that of ordinary solid wood, and its physical and mechanical properties are excellent. It is the closest to natural wood and natural wood in various wood-based panels. Therefore, the processing properties of the solid wood particle board are very good, and the processing and processing of the natural wood can be used. The interior of the solid wood particle board is a granular shape with a cross-displacement layout. The particles are arranged in a certain direction, and its longitudinal bending strength is much larger than the lateral direction. Therefore, the remarkable characteristics of the solid wood particle board can be sawed, sanded, planed, drilled, and smashed. Processing in the same way is the most good material in the panel furniture industry.
Environmental performance
The density of solid wood particle board is relatively high, and the wood fiber particles in the board are large. Unlike the wood fiber of the MDF, the nature of the natural wood substrate is preserved. The adhesive content of the solid wood particle board is generally lower than that of the adhesive. 5%, while the MDF has a gel content of 7%, so the environmental performance of solid wood particle board is better than that of MDF. At present, many high-grade furniture on the market are mostly E1 grade solid wood particle board, which is the highest level of current environmental protection standards. Because the wood of this kind of board is treated by high temperature, high pressure and sterilization, it is not easy to be a moldy insect.
use:
As a new type of high-grade environmentally friendly substrate, solid wood particle board is widely used as a furniture manufacturer in many European and American countries. At present, domestic well-known Sophia wardrobes, Hao Laike, Ou Pai and other furniture manufacturers have begun to use this kind of sheet material on a large scale.
Based on the above comparison, the environmental protection, pressure resistance and stability of the large core board are far from meeting the needs of modern consumers, and it is a plate that must be eliminated. The environmental protection, stability and compression resistance of solid wood multi-layer boards can meet the needs of the modern custom-made wardrobe market, but the cost is high, and it cannot be used as a plate for custom wardrobes on a large scale. It can only be the demand of some high-end customers. Only the two sheets of MDF and solid wood particle board are relatively suitable for the development needs of the current Chinese wardrobe industry. By comparing the physical properties, decorative properties, processing performance, environmental performance, etc. of the solid wood particle board, it is better than the MDF, which can meet the increasingly demanding requirements of modern consumers for custom wardrobes. It will surely be the future use of panel furniture panels. The inevitable trend.
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