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Density plate (English: Medium Density FiberBoard (MDF)) is also known as the fiberboard, is made of wood fibers or other plant fibers, applying a urea resin or other suitable adhesive. According to the different density, it is divided into high-density plates, medium density plates, low density plates.
Different by density can be divided into high-density plates, medium density plates, low density plates (medium density plate density of 450 kg / cubic meter, high density plate density ≥ 600 kg / cubic meter). Common specifications include 1220 * 2440mm and 1525 * 2440mm.
The thickness is: 3mm, 5 mm, 9mm, 12mm, 15mm, 16mm, 18mm, 20mm, 25mm, 30mm.
The medium-density plate is divided into normal type, furniture and load-bearing type in the "medium density fiberboard" (GB / T 11718).
The surface of the density plate is smooth and smooth, the material is fine, stable in performance, strong edge, and the surface of the sheet is well decorative. However, the density plate resistance is poor, and in contrast, the density plate is fetched than the particle plate, and if the screw is rolling, it is difficult to fix it due to the strength of the density plate.
1. The density plate is easy to carry out finishing. Various coatings, paint can be evenly coated on the density plate, and is the preferred substrate for paint effect.
2. The density plate is another aesthetically decorative plate.
3. All kinds of wood, adhesive paper film, forming panel, light metal sheet, melamine plate, etc. are adhesive on the surface of the density plate.
4, the hard density plate is impressed, drilled, and can also be made into sound absorbing plates, and is applied to the decoration project of the building.
5, very good physical properties, uniform material, no dehydration problem.
1. The biggest disadvantage of the density board is that it is not moisture, and the sew water will swell. When doing a skirt board, a door cover, a window sctus, which should be paid to the top, so that it will not be deformed.
2, the density plate is large, the deformation is large, the long-term load is larger than the homogeneous solid wood particles.
Although the moisture resistance of the density plate is poor, the surface of the density plate is smooth and smooth, the material is fine, the performance is stable, the edge is firm, easy to shape, avoiding the decay, insects. It is better than the particleboard in terms of anti-bending strength and impact strength, and the surface of the sheet is extremely decorative, and the appearance of the solid wood furniture is especially true.
3, the density plate is poor, because the fibers with full density are very broken, so that the density plate is more than the solid wood board, the particleboard is a lot.
The main purpose:
Mainly used in strengthening wooden floors, door panels, partitions, furniture, etc. It is easy to crack, so there is no way to make furniture. Generally, high-density boards are used to do indoor and outdoor decor, office and civilian furniture, audio, vehicle interior decoration, and production materials for computer room anti-static floors, guard wall, security doors, wall panels, partitions, etc. . It is still a good material for packaging. In the future, it is used as a substrate to make a strengthening wooden floor.
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