China board trading network news:
The main materials of woodworking materials are: blockboard, integrated board, particle board, density board, veneer panel and other kinds of plates. What are the effects of these different name wood boards in home furnishings? The following experts are doing for us. explanation of:
Blockboard: moisture-proof effect is good, can not be directly painted
In the middle of the blockboard is a core made of natural wood sticking, with thin veneer on both sides, which is one of the most important materials in the decoration. Can do furniture and package wooden doors and door covers, heating covers, curtain boxes, etc., its waterproof performance is good. When selecting, look at its internal wood, should not be too broken, the gap between the wood is about 3mm fine blockboard is appropriate. Due to the unsightly appearance of the wood grain on the surface, it is seldom to paint directly, and usually a decorative plywood is to be applied. Wood furniture such as furniture made by it must go through two processes of using glue board and paint, and the cost is higher.
Integrated board: not easily deformed
This is a new kind of solid wood material, which is made of high-quality imported large-diameter logs and deep-processed, staggered and spliced ​​like a finger. Due to the different processes, this board has excellent environmental performance, which is 1/8 of the allowable amount of formaldehyde contained in the blockboard. On the other hand, this kind of wood made from American spruce and other solid wood can be painted and brushed directly, eliminating the need for a process compared to joinery.
MDF than chipboard holding nails poor
Particleboard is a natural material that is crushed into pellets and then pressed into plates. The medium density board is formed by pressing wood chips and has good flatness but poor moisture resistance. In contrast, the density of the MDF is lower than that of the chipboard. If loosening occurs after the screw is tightened, the strength of the MDF is not high enough to fix it. Therefore, it is rarely used as a cabinet.
Finished plywood: easy and cheap
Plywood, also known as plywood and plywood, differs in the number of layers, and its advantages and disadvantages depend primarily on raw materials. At present, the main use in home improvement is a decorative plywood, that is, a very thin solid wood veneer has been attached to the plywood in the factory. The decorative plywood is easy to use and the price is cheap.
Experts remind: to buy wood first depends on whether environmental protection, according to regulations, the formaldehyde emission of indoor building materials must be less than or equal to 1.5 mg per liter, if more than 5 mg per liter is substandard. Secondly, look at the moisture content of wood. When the wood moisture content is higher than the equilibrium moisture content of the environment, the wood will dry and shrink, otherwise it will absorb moisture and expand. The main cause of dry cracking and deformation of wood is the high or low moisture content.
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