Generally, the visual acuity is visually measured at a distance of about 1-1.5 meters, and the process defects, the floor defects, the human damage, and the polluter are not affected.
II, environmental certification
See if you have passed the China Environmental Labeling Product Certification. It is well known that formaldehyde in the adhesive used in the processing of hollow sheets is harmful to human health. When buying hollow boards, pay attention to whether there is a Chinese environmental labeling product certification. China Environmental Labeling Product Certification is a certification of quality and environmental protection.
III, the thickness of the skin (sheet)
The thicker the sheet thickness, the better the durability. After the construction of the paint, the solid wood feels strong, the texture is clearer, and the color is more vivid and saturated. The method for discriminating the thickness of the sheet is to observe whether there is sand penetration or non-penetration at the edge of the sheet, and whether the coating is tested for pan-green or bottom-through, and if the above problem occurs, the skin is usually thin