As one of the commonly used materials of furniture, plywood is a kind of wood-based board. - A group of veneers usually according to the direction of the adjacent layer of wood grain each other straight group blank glued to the plate, usually its surface board and the inner board on both sides of the central layer or board core. With coated veneer according to the direction of wood grain crosswise with the slab, under the condition of heating or not heating. The number of layers is usually odd, and a few even. The physical and mechanical properties of the vertical and horizontal directions are less different. Commonly used are three plywood, five plywood and so on. Plywood can improve the utilization rate of wood, is a major way to save wood. It can also be used as materials for aircraft, ships, trains, automobiles, buildings and packing cases.
Test standards for plywood:
GB/T 13123-2003 bamboo woven glued rice
GB/T 15102-1994 impregnated plastic paper veneer wood-based panel
GB/T 15104-1994 Decorative veneer wood-based panels
GB/T 15105.1-1994 Molded shavings furniture category
GB/T 17656 1999 Plywood for concrete formwork
GB/T 17657-1999 Test methods for physical and chemical properties of wood-based panels and facings
GB/T 13144-2008 Packaging containers bamboo plywood boxes
GB/T 17656-2008 Plywood for concrete forms
GB 18101-2000 Refractory plywood
GB/T 19536-2004 Plywood for container bottom plate
GB/T 22350-9009 Molded plywood
