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Density board is a kind of artificial board, mainly made of pine wood or other plant fiber as raw material, by adding urea formaldehyde resin or other applicable adhesive after high temperature and high pressure treatment 1. It is characterized by uniform density, smooth surface, not easy to deformation, cracking and discoloration, but also easy to paint and decorate. In addition, the machine ability of the density board is good, easy to cut, drill, carve and polish, suitable for mechanical processing and manual processing.

Marine plywood is manufactured from durable face and core Veneers, with few defects so it performs longer in both humid and wet conditions and resists delaminating and fungal attack.

It mainly use poplar, eucalyptus, okoume, hardwood, paulownia wood,to make marine plywood. Firstly, make wood to veneer. Second, make glue on veneers. Third, laminate veneer together. Four, cold press the board for several hours. Five, glue it face and back again. Six, Laminate face and back veneer on board. Seven, cold press again. Eight, hot press the board. Nine, cut four side to make the board smooth. The plywood is finished.