1. Definition of plywood
Plywood is a board that is made by rotary cutting logs into large veneer boards along the direction of annual rings, and after drying and gluing, they are assembled and glued together according to the principle that the wood grain direction of adjacent veneer layers is perpendicular to each other. The number of veneer layers is odd, generally three to thirteen layers, and the common ones are three-plywood, five-plywood, nine-plywood, and thirteen-plywood (commonly known as three-centimeter board, five-centimeter board, nine-centimeter board, and thirteen-centimeter board in the market). The outermost front veneer is called the panel, the reverse is called the back panel, and the inner layer is called the core.
2. The use of plywood
Compared with natural wood, plywood has the advantages of high wood utilization, good dimensional stability, small deformation, large specification size, rich surface decoration, good mechanical processing performance, etc., and is widely used in furniture, wooden doors and windows, wooden handicrafts, and packaging boxes; wall skirts, ceilings, decorative lines and other interior decoration materials; As well as the interior façade decoration of vehicles and ships, it is an important interior decoration and furniture making material
