Nowadays, kitchen and bathroom furniture are usually made of wood-based panels. The commonly used wood-based panel substrates are particleboard (MFC) and medium density (MDF) panels. Ordinary particleboard and MDF have the characteristics of water swelling, and the kitchen space in the home is relatively humid. Therefore, when selecting the board, be sure to pay attention to whether the board is moisture-proof.
First, the definition of the moisture board
The moisture-proof board is to add a certain proportion of moisture-proof particles in the production process of the substrate, also known as melamine board, which can greatly reduce the degree of water swelling of the board. Generally, the moisture-proof panels produced by regular plate manufacturers have obvious marks to distinguish them from ordinary plates. For example, the well-known European love board is made of green and red pigments in the moisture-proof board. Different colors indicate different moisture-proof properties. The kitchen countertops with higher moisture-proof requirements can choose the red board with better moisture resistance. The green door can be selected for the door panel.
The ordinary substrate and the moisture-proof substrate were simultaneously immersed in water, and the expansion of the ordinary plate was changed for two hours, and the expansion rate of the ordinary plate was significantly higher than that of the moisture-proof plate. The moisture barrier has good moisture resistance and is suitable for kitchen furniture and bathroom furniture.
Second, the characteristics of the moisture-proof board
The moisture-proof board originated in Europe. It is a granular moisture-proof particle added to the original melamine ( commonly known as particleboard ) substrate. The color is divided into green and red, the most common is green, and the red moisture-proof particles have better performance and are generally used on the countertop. on. Note: When you purchase, you should look at the profile. Generally, the green particles are independent particles, evenly distributed, and the substrate next to the wood grain is the primary color. Representative Austrian EGGER, West Germany board, etc., better moisture resistance.
There are also moisture-proof panels in the domestic plates, and the moisture-proof particles are green. The larger manufacturers are Jilin Dew, Shanle Shouguang and Hebei Saibo. The price is more than one hundred yuan, but there are also some unscrupulous manufacturers, in order to increase the point of purchase, add green pigment in the sheet substrate to pretend to be a moisture-proof board. How to identify it ? Look at the section of the substrate is green, no independent particles, such a plate is not moisture-proof, but the formaldehyde content is higher.
In fact, in the concept of moisture prevention, in many people's minds, moisture and water resistance can be drawn equal. In fact, this concept is also inaccurate. In order to distinguish it from the ordinary plate, the manufacturer adds green or red ( mostly green, more advanced red ) as the identification mark. The moisture-proofing agent does not have any influence on the waterproof property of the sheet itself. Practice has proved that a plate with a moisture-proof agent and a plate without a moisture-proof agent are immersed in water, and the expansion ratio is the same. The so-called moisture-proof is only effective for moisture in the air.
Nowadays, kitchen and bathroom furniture are usually made of wood-based panels. The commonly used wood-based panel substrates are particleboard (MFC) and medium density (MDF) panels. Ordinary particleboard and MDF have the characteristics of water swelling, and the kitchen space in the home is relatively humid. Therefore, when selecting the board, be sure to pay attention to whether the board is moisture-proof.
Third, the surface treatment of the moisture barrier
The moisture-proof board cannot be used directly on the furniture, and the decorative paper should be affixed on the surface. It is now normal practice to soak the decorative paper in a solution of the melamine and then press it on. Therefore, the moisture-proof board of our furniture is generally called the trihydroamine moisture-proof board. The tri-hydrogenamine is a formaldehyde-free solution, which is environmentally friendly. This will not only cause 2 pollutions, but will reduce the release of the inner substrate. The treatment method has been recognized by everyone, and most of them are doing this. However, the treatment of this surface is also good or bad, because the price of the melamine solution is almost 10 times that of other glues. Many people mix the formaldehyde in the solution. This is not very environmentally friendly, so the board is also divided into full trimeric and Semi-trimeric plate, this non-professional is not easy to recognize, mainly to see the surface is not transparent ( new ha, do not take the old look ) . Then the surface of the decorative paper is also different, divided into smooth, pockmarked, embossed surface. The smoothest surface is cheaper, and the surface is more expensive than 10 yuan. The relief surface is much more expensive, but it is generally used as a cabinet door. The general cabinet is still glossy.
Fourth, the purchase of moisture-proof board
Determine the quality of the moisture-proof board, generally divided into three aspects:
　　 (1) Environmental protection: Mainly refers to whether the glue added inside is lysaldehyde or triamide, the latter is very environmentally friendly, but this is not very good for the average customer, the smell is not right, some are long-term, There is no taste . Some are sealed for a long time, and there is a taste . Now the weather is big and the taste is much bigger. The better way is to combine the inspection report and the logo on the wrench. It is not acceptable to see the inspection report. Because a factory will produce different grades of boards, the inspection report will not necessarily be this grade. Combined with the level mark on the board, it looks a lot. In general, manufacturers and merchants can introduce indiscriminately, and bills can be opened indiscriminately. The mouth can say that it can not be recognized, and it can be said that it is wrong on the paper. Doing, playing on the product is not as simple as redoing.
　　 (2) Physical properties: such as gripping force, resistance to deformation, strength, etc. People who don't understand this thing are not very well recognized. Generally, they are recognized from the following: the particles of the moisture-proof board should not be too large, so the strength is not enough, and it should not be too small. This may be wood chips. Cut open to see the section ( to be irregular, can not see flat ) , look at the needle-like sheet is not much.
　　 (3) Moisture resistance: This is a worse judgment. Only take a different brand and take it home to soak.
Five, moisture-proof board furniture maintenance
The moisture-proof board furniture should avoid sharp objects, scratches and gravity impacts during use. In case of water, it should be removed and dried in time, because the moisture-proof board does not have no expansion at all, but the expansion rate is very small. If it encounters moisture for a long time, it may cause expansion and deformation. In addition, once the edge-sealing material of the board is peeled off, it must be repaired immediately to protect it from moisture.
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