Classification and identification of plates
1. Plywood: Varieties are divided into 3, 4, 5, 9, 12, 12, 15 and 18 centimeters (where "PCT" stands for millimeters). Quality is divided into domestic, joint venture and import.
2. Daxinban: The varieties are divided into 15 and 18%. The quality is mainly depends on the degree of hollowness, whether the surface is smooth and smooth, and whether there is any phenomenon of lifting and peeling. The board cores are of good quality for sycamore trees and willows, and the wood cores are poor.
3. Panel: The panels are all 3% thick, with a wide variety of colors, including red, white, black, white, maple, flower, red, white, pear, Sapele, red cat's eye, and white cat's eyes. And so on as well as a variety of high-level tree pomegranate.
The identification method is:
The first to see the core, the poor core white, the material is softwood, cork is easy to deform; the board is good dark core, hardwood is not easy to deform, dark color.
On the second look, the surface is smooth, and the layer is not good.
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