[ Chinese wardrobe network ] In this era of promoting environmental protection decoration, we have to mention the large core board, which has strong environmental protection performance, and is also called blockboard, which is the leader in wood-based panels. Widely used in furniture, China Plate Trading Network Xiaobian today introduces the precautions when purchasing large core boards.
How to buy
1, learn to see the craft
The large core board is one of the wood-based panels, and the process is divided into two types, machine and manual. The hand-stitching is artificially produced. Due to the influence of human factors, the gap between the wooden strips is large. Because of the uneven force, the gap of the stitching is not uniform, and the wooden strips of the machine are much better, and the pressing force is large. The gap is small and the bearing capacity is uniform. The overall sheet is compact and not easily deformed. Look carefully when you purchase.
2, learn to see the material
Although it is a wood-based panel, it is also divided into different grades. There are "excellent products", "first-class products" and "qualified products". There are many kinds of materials, such as paulownia, pine, poplar, etc. If you know it better, you must know that the material of poplar and birch is better. Second, because the paulownia texture is soft. This point will also be differentiated in price. (Skilled artisan brand blockboard grade: excellent products)
3, learn to look at the appearance
If it is a high quality blockboard, the surface of the board must be very smooth, there will be no leakage, patching, and then the thickness of the middle plate must be very uniform, no overlap, separation phenomenon, the core board is closely spliced, There is no cracking at both ends. Place it upright, the corners should be straight, and the diagonal error will not exceed 6 mm.
4, check the intrinsic quality
In addition to a good appearance, intrinsic quality is also very important. It is best to look at it when you buy it. Is there a black dead wood inside, whether the material is dense inside, and there are no eggs inside.
Precautions
1, 掂 weight
When you are ready to start a large core board, be sure to take a few more times. When you lift the end of the large core board, you can feel its heavy feeling. This is a good big core board. If it feels weird, æ‹ŽThere are still buzzing sounds, it is best to run a few more.
2, view environmental indicators
Check the environmental indicators, if necessary, say it three times! Because the large core board is generally used in the slab splicing and bonding with the panel, urea formaldehyde glue is used, and formaldehyde is emitted from the urea-formaldehyde glue. If you use environmentally friendly glue, you will not smell the pungent smell of formaldehyde. If you smell a pungent smell or even a little spicy eyes, don't buy it. When purchasing a large core board, you can look at the inspection certificate of the product.
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