See the appearance. Professor introduced to identify quality blockboard mainly to see the appearance of no disadvantage to flat, to completely identify. Coastal Wood Professor introduce necessary blockboard side is a whole wood, the other side is only allowed to have a patchwork. High-quality block board table board should be dry, smooth, no disadvantages, such as no knot Wabu, drooling like a uniform plate thickness, without stacking, from the appearance of the seam stitching Xinban tight, especially two Blockboard You can not have a dry appearance. Upright, corners should be straight, diagonal error should not exceed 6 mm. Should be thoroughly fit between the whole package Blockboard each plate. Secondly, to touch the blockboard appearance, quality blockboard should feel dry, flat lubrication.

    Look connotation quality. Investigation against the light, such as through the white wooden mosaic clarify not tight; listen to the sound when picked up, there are creaking clarify bonding strength is not good; to lift one end of a blockboard, weigh it, there should be a quality Blockboard all kinds of feeling, heavy feeling. Of course, this in the case of heavy inductive feel boring is a good board, or degree that is not boring. That is the bill again utensils percussion plate appearance, listen to the sound is not very different, if the sound has changed to clarify the existence of vague internal plate. These images will make all plates bearing strength weakened, long uneven force will attack the plate layout distorted, deformed, affecting the appearance and its practical effect. Furthermore, if the effect is made Blockboard green plastic, the production site after the long dry wood taste, smell Chongbi formaldehyde taste. If Blockboard emitting a strong odor, or clarify a higher formaldehyde emission, best not to buy. See also saw mass inside corner point of view. Better quality Daixinban between wooden strips therebetween, have serrated dovetail tenon mouth, which can not exceed 5 mm gap.