Veneer quality control Part 5:A New Method of Fast-growing Poplar Veneer Drying with High Quality
The method of continuous hot-pressing drying at 192 C was used to dry fast-growing poplar veneers. With appropriate “breathing” cycle, the 17 mm thick veneers (149% of initial moisture content) could be dried to 8% of final moisture content within 2 minutes. Dry veneer is flat, smooth, evenly moisture content, no tear. The average drying shrinkage of veneer thickness is 53% and that of cross grain is 49%. The average bonding strength is 0812 MPa, which meets the requirements of national standards. The results show that drying fast-growing poplar veneer by this method is an efficient and high-quality way.
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