Understanding ecological wood
One of the commonly used materials for furniture is an artificial board. A group of veneers glued together, usually perpendicular to each other in the direction of the grain of the adjacent layers, usually with the surface and inner layers arranged on opposite sides of the central layer or core. After coated veneer according to the direction of wood grain crisscross the slab, under the condition of heating or not heating pressed. The number of layers is usually odd, and a few are even. There is little difference in physical and mechanical properties. Commonly used plywood, plywood and so on. Plywood can improve the utilization rate of wood and is a main way to save wood. It can also be used for aircraft, ships, trains, automobiles, construction and packing boxes.
The usual length and width specifications are: 1220×2440mm, and the thickness specifications are generally: 3, 5, 9, 12, 15, 18mm and so on. The main tree species are: mountain camphor, willow press, poplar, eucalyptus and so on. Main producers of plywood: Indonesia and Malaysia.