Analysis and Control of Common Quality Defects in Plywood Currently, most plywood manufacturers in China do not produce veneers (face and core veneers) or adhesives themselves but purchase them externally. Therefore, this article omits the production processes from log cutting to veneer peeling and adhesive preparation. Figure 1 shows the plywood production process flowchart. 2. Analysis and Control of Common …

Common Defects in Plywood Hot Pressing and Their Solutions I. Blistering and Partial Delamination Causes: Excessive or uneven moisture content in the veneer Excessive glue application Too rapid pressure release or excessively high hot-pressing temperature Insufficient resin condensation Inadequate hot-pressing time Solutions: Control veneer moisture content within 8–12% Ensure glue application meets technical requirements Slow down the second stage of …

On May 22, 2025, U.S. petitioners—Colombia Forest Products, Commonwealth Plywood Co., Ltd., Manthei Wood Products, States Industries LLC, and Timber Products Company—filed applications to initiate anti-dumping (AD) and countervailing duty (CVD) investigations on hardwood and decorative plywood originating from China, Vietnam, and Indonesia. The U.S. currently does not grant market economy treatment to China and Vietnam but recognizes Indonesia as …