Core plies number, strength and production cost of plywood in China The number of plywood layers will increase by 2 for every 3mm increase in plywood thickness;Plywood with the same thickness has higher strength with more layers; For example, the strength of 15 layers of 18mm plywood is greater than that of 13 layers of 18mm plywood;For plywood of the …

Causes and Prevention Measures of Plywood Bubbling in China In the plywood production process, hot pressing is a very important process, which is an important process to finalize the product. It is irreversible. Once quality problems occur, especially bubble will bring great losses to the company. Therefore, it is necessary to understand and master the causes and prevention methods of …

Defects easily occurred during hot pressing of plywood in China and solutions 1、 Bubbling and partial delamination Causes: 1. The moisture content of veneer is too high or the drying is uneven 2. Too much glue 3. The pressure drop speed is too fast or the hot pressing temperature is too high 4. Insufficient resin condensation 5. Insufficient hot pressing …