Fibreboard, also known as MDF, is a wood-based panel made of wood fiber or other vegetable fiber, which is coated with urea-formaldehyde resin or other suitable adhesive. Adhesives and/or additives can be applied during the manufacturing process. The fiberboard has the advantages of uniform material, small difference in longitudinal and transverse strength, and is not easy to crack, and has wide application. It takes about 2.5 to 3 cubic meters of wood to make 1 cubic meter of fiberboard, which can replace 3 cubic meters of sawn timber or 5 cubic meters of logs. The development of fiberboard production is an effective way to comprehensively utilize wood resources. The disadvantage of the fiberboard is that there is a netting on the back surface, which causes the surface area of ​​the two sides of the plate to be different. After the moisture absorption, the plate is warped and deformed due to the difference in expansion force; the surface of the hard plate is hard, the nail is difficult, and the water resistance is poor. Dry fiberboard, while avoiding certain disadvantages, is costly. Power Wrench,Impact Wrench,Electric Impact Wrench,Electric Wrench Wuxi Winsun Automation Instrument Co., Ltd , https://www.winsunwx.com