The difference between the solid wood particle board and the MDF
In some panel homes, some substrates use solid wood particle board ( particle board ) , and some substrates use a density board. So, what kind of two kinds of plates are good? When asked about this problem, the sales staff will say that they are good. Below are the advantages and disadvantages of these two kinds of plates, consumers can pay attention.
Solid wood particle board is a kind of shredded material made of wood or other lignocellulosic material. After applying adhesive, the artificial board is glued under the action of heat and pressure. The principle is the same as the MDF.
Advantages: 1) The inside of the solid wood particle board is a granular shape with a cross-stack structure. Therefore, the nail holding power is good, and the nails and screws can be nailed. These machinable properties are significantly better than MDF. 2) The density of solid wood particle board is relatively high, and the wood fiber particles in the board are larger, which retains the essence of natural wood. The content of solid wood particle board in the use of adhesive is generally less than 5% , and the environmental protection is better. 3) The solid wood particle board has small warpage deformation, good dimensional stability, high strength, good stiffness, and it is not easy to bend when hanging heavy clothes. The wood-based panels currently used in the European furniture market are mainly solid wood particle boards.
Disadvantages: The flatness of solid wood particle board is not as good as that of MDF. It is difficult to make curvature and shape.
The MDF is also a MDF. It is a kind of artificial board made of wood fiber or other plant fiber, which is crushed, separated by fiber, dried and then coated with urea-formaldehyde resin or other suitable adhesive. .
Advantages: The material is relatively thin, and the cut surface will be well sealed when it is edged, so it is not easy to open the glue. It is easy to press into various shapes and it is easy to make a shape, so there are usually more door panels or back panels.
Disadvantages: Because the substrate is a powder, it uses more glue than the particle board, which is more likely to cause environmental problems. Secondly, due to the high glue content of the MDF, the internal structure space is small, and the moisture resistance is poor. The density of one piece is soaked in water for 24 hours. After ten hours, it is obvious that the MDF rises and deforms.
In addition, consumers can learn more about this information to make better judgments.
Fascia gun, also known as deep myofascial impactor, is a soft tissue rehabilitation tool that relaxes the body's soft tissue through high-frequency impact. Fascia gun can be understood as a civilian version of DMS (electric deep muscle stimulator). Its vibration frequency will change when it is used, and its basic function is similar to that of DMS. The use of the fascia gun must pay attention to the way and method. At the same time, the first use of the fascia gun should be under the guidance of professionals. It is best to use it step by step, otherwise it may cause damage.
The large round head of fascia gun is generally used for shoulder, back, hip and thigh; The small round head is used for large areas of muscles such as arms and legs. The fascia gun should be used along the muscle texture and fascia direction of the human body, not just against the muscle sores. However, a large number of nerves and blood vessels such as the head, cervical vertebra and spine cannot be used. The recommended length of use for each part is 3 to 5 minutes. The correct use of fascia gun will not lead to muscle swelling. Therefore, if this happens, it means that the muscle is damaged due to improper use. The joints, groin, armpit and other areas with rich nerves and blood vessels and no muscle protection should be avoided.
The fascia gun transmits the force and vibration to the fascia of the human body through high-frequency vibration (2000-3200 times/min), so as to increase the tissue blood flow and relax the muscles. It can also make the human tissues produce relative displacement through resonance, reduce tissue adhesion, restore the elasticity of muscles and fascia, relax the tense and stiff fascia, and relieve some discomfort symptoms of the human body.
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