Problem

How to buy medium density fiberboard?

       With the current improvement of people's living standards, people's health awareness, environmental awareness, aesthetic awareness continues to increase, MDF has been welcomed by the people, is widely used in life. Today, Xiao Bian to tell you to talk about, buy some of the skills of MDF. Usually we will from two aspects to identify the density board is good or bad.

       First, environmental protection

       According to the standard, MDF according to its free formaldehyde content can be divided into E0 level, E1 level, E2 level, CARB P2 level. E2 grade formaldehyde emission is ≤5mg / L; E1 grade formaldehyde emission is ≤1.5mg / L, can be used directly for interior decoration; E0 grade formaldehyde emission is ≤0.5mg / L. CARB P2 grade formaldehyde emission ≤ 0.3mg / L. Among them, E0, E1, E2 grade refers to the domestic standards, CARB P2 refers to the European and American standards. Consumers in the purchase of MDF, should try to buy low-formaldehyde emission of goods, such goods more secure.

       Blue aperture between 0.27-0.98 nm, was crystal arrangement. At the same time with weak electricity, formaldehyde, ammonia, benzene, toluene, xylene molecular diameter are between 0.4-0.62 nm, and are polar molecules, with preferential adsorption formaldehyde, benzene, TVOC and other harmful gases to achieve purification Indoor air effect.

       Second, the quality

       Surface cleanliness: surface cleanliness of the MDF surface should be no obvious particles. Particles are caused by the impurity into the process of pressing, not only affect the appearance, but also easy to peel off the paint film.

       Surface smoothness: hand touch the surface should have a smooth feeling, such as feeling more astringent Note processing is not in place.

       Surface flatness: MDF surface should be smooth and smooth, such as from the side to see the surface is not smooth, then the material or paint process problems.

       Overall flexibility: hard board must be inferior products.

       Strength: high-quality MDF strength is good, with both hands picked up the density board at one end of tremors a few times, if the board is very strong, the quality of this board is better; poor density board in the process of tremor even break.

       Appearance: high-quality MDF fiber length less than 2mm, uniform length, the shape of fine, medium density board surface is not soft, depression, drum and other defects, if these defects, the quality is low; product color distinction, according to Different materials, the color of poplar material yellowish, in addition to the process of washing the peeling of the loose and the color of the eucalyptus yellowish white, white, the general plate partial black.


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