Always said that the plate is very complex, think about learning a little professional knowledge
Can be distinguished by the following steps and methods:
First is "see", but also to see the focus. Good plate surface smooth and smooth, the edge of the board is very clear. As well as the packaging on the plate is clear, the above name, address, grade, specifications and other information are complete, not clear, incomplete information or more attention to the plate, and may be added to the color of the plate.
Two smell, because the legendary formaldehyde is released from the plate, will directly affect people's health. Good plate not only good choice of materials, but also for the adhesive glue is environmentally friendly, even if the number of more stacked together, it will not emit a very pungent taste. If the choice of a plate placed in the home there is a very obvious pungent chemical smell, it should be noted.
?Three saws, before the purchase can be a small sample to the business, and then cut it to see its inner core, a good plate section level is very clear, because it is a layer of paste a very tight, very good convergence, and those miscellaneous Wood stitching the poor quality of the plate core is not dense, must not buy.
Four test, through the relevant identification agencies, with professional tools and related technical means to identify the plate to determine the quality of good or bad, this method is more professional and accurate. Plate material is also an important factor is the moisture content, the general moisture content of the plate should be less than 16%, if too high that is not good, may be a while will be mildew or deformation.