At present, the plates of panel furniture are mostly made of particleboard and medium density board. Since both kinds of boards are made of wood and pulverized and then mixed with adhesive, the amount of glue determines the chemical composition and determines the environmental protection level. High and low. Consumers are very concerned about which boards are more environmentally friendly . Today, Xiaobian talks about the advantages and disadvantages of particleboard and MDF.
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.
advantage:
　　 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 solid wood particle board density is higher, the wood fiber particles in the board is larger, more retains the essence of natural wood, the content of solid wood particle board in the use of adhesive is generally less than 5% , and environmental protection is better.
　　 3 , solid wood particle board warp deformation is small, dimensional stability is good, high strength, good stiffness, hanging heavy clothing is not easy to bend. 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 general, MDF and particleboard have their own advantages and disadvantages, but the wardrobe as a durable goods, in addition to the price, its use period is naturally crucial, is to choose to spend a few hundred dollars less, or prefer the home wardrobe extension It has been self-evident that it has been used for several years or even for the last ten years.
Functions of eye black
1. It has the effect of lengthening eyelashes and enlarging eyes.
2. It can bring curling and supporting force to eyelashes.
3. It can improve the support of eyelashes, and the shape of eyelashes is curved. Especially when we blink and close our eyes, these two layers of eyelashes like small fans can prevent the upper eyeliner from contacting the oil of the lower eyelid and faint, so it is necessary to curl the eyelashes before brushing them.
Misuse of eye black
1. Apply eye black more than 3 times. It is enough to apply eye black twice. If you don't want your eyelashes to form a ball, generally speaking, you can get the best effect by applying it twice.
2. Insert and pull the eyelash brush. It is easy to harden mascara, because air is mixed in the process. Eyelashes are easy to coalesce, and the floating powder is serious.
3. Start applying eye black from the middle of your lashes. When you apply eye black, you must start from the root. eye black is not used for a long time, and it will dissolve when you apply it, so the application method is likely to be wrong. The possibility is as high as 99%. Generally, the curly eye black with larger mascara brush is used.
4. At first, eye black was too thick. Sweep up gently, and then emphasize the wavy feeling when smearing according to personal conditions. Too much mascara at a time is easy to get dirty, because the eyelash state has not been adjusted to the best.
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