Graphic density board (Figure)
MDF is also called fiberboard. It is a kind of artificial board which is made of wood fiber or other plant fiber and is applied with urea-formaldehyde resin or other suitable adhesive under the condition of heating and pressing. It is divided into high-density board and medium density according to its density. Board, low density board. The MDF is characterized by soft, impact resistant and easy to rework.
The most commonly used is the medium density (abbreviated as MDF), which has a density of 450 to 880 kg/m3. Medium-density fiberboard is a kind of wood-based board which is the closest to natural wood in various boards. Its structure is uniform, the density is moderate, the board surface is smooth and delicate, it is easy to carry out various finish treatments, the dimensional stability is good, the core layer is uniform, and the board is Both the surface and the edge have good mechanical processing and molding processability, and the thickness and size specifications vary, which can meet various needs. MDF has many physical and mechanical properties that exceed the particle board, and even more solid than natural wood, so it is used in a wide range of applications, such as high-end furniture manufacturing, cabinet door panels, acoustic housings, musical instruments, interior and exterior decoration, and construction. When I was young, I passed through the West Ring Road and saw someone using a MDF to make speakers. In addition, the substrates of our common laminate flooring are mostly high density boards.
In foreign countries, MDF is a good material for making furniture, but because the national standards for height plates are several times lower than international standards, the quality of MDF use in China needs to be improved. The biggest disadvantage of MDF is that it is easily deformed by moisture, and some MDFs that are heavily damp can even blacken the veneer on the surface.
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