Degreasning drying method of masson pine plate and squared timber

The defatting drying method of masson pine plates and squared timber adopts high-temp. steam kiln to make defatting and drying treatment, and is characterized by that according to the quality requirements and change of wood state (water content and stress) the change of medium temp. and humidity of every stage can be defined. The masson pine plates and squared timber produced by said method have no fat overflow phenomenon under the condition of 60 deg.C, and the core material residual fat content is less than or equal to 8%, its wool material retains its basic original colour and its size stability is raised.