Plywood is one of the commonly used materials for furniture. It is one of the three panels of wood-based panels. It can also be used for aircraft, ships, trains, automobiles, construction and packaging. A set of veneers are usually formed by gluing the vertical stacks in the direction of the adjacent layers of wood. Usually, the front and inner plates are symmetrically disposed on either side of the center layer or the core. The slabs which are formed by laminating the veneered veneers in the direction of the wood grain are pressed under heating or no heating. The number of layers is generally odd, and a few have even numbers. The difference in physical and mechanical properties between the vertical and horizontal directions is small. Common types of plywood are plywood, plywood, and the like. Plywood can improve wood utilization and is a major way to save wood.
The usual length and width specifications are: 1220 × 2440 mm, and the thickness specifications are generally: 3, 5, 9, 12, 15, 18 mm, and the like. The main tree species are: eucalyptus, hawthorn, willow, poplar, elm and so on.
