The large core board (commonly known as blockboard and wood board) is a plywood with a solid wood core. It cuts the logs into strips, splices into cores, and is made of outer surface materials. The vertical direction (different from the core sheet) is resistant. The bending strength is poor, but the lateral bending strength is high. The surface material can be divided into three-layer plate, five-ply plate, etc. according to the number of layers. According to the tree species, it can be divided into Liuye, eucalyptus, teak, etc. The surface of the good quality blockboard panel is smooth and smooth, not easy to warp and deform, and can be sanded according to the surface. The board is divided into two types: one light and two sides. The two-sided light can be used as a decorative material for the key parts such as furniture panels, door and window frames. Most of the market is now solid, glued, double-sided sanding, five-layer blockboard, size is 1220 mm × 2440mm.
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