Density board is also called fiberboard. It is made by immersing wood, tree and other objects in water and then hot grinding, paving and hot pressing. It is based on lignocellulosic resin or other suitable fiber to artificial boards. Because of its soft and impact resistance, the strength is high, the density is uniform after pressing, and it is easy to reprocess, but the disadvantage is that the water resistance is poor. Therefore, to be used as a speaker cabinet, the common practice is to apply skin.
2. Medium density fiberboard
Medium-density fiberboard is made of wood fiber or other vegetable fiber, and is applied with urea-formaldehyde resin or other synthetic resin. It can be pressed under heat and pressure to have a density of 0.50-0.88g/cm3. It can also be added to other suitable materials additives to improve sheet properties. Medium density fiberboard is a homogeneous porous material with good acoustic properties and is a good material for making speakers and musical instruments.
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