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Question:

The density of the plywood is greater than that of the same kind of wood

The density of the plywood is greater than that of the same kind of wood

Answer:

Plywood gluing strength, according to the Chinese national standards: Ⅰ class plywood for the 1.2 ~ 1.6 MPa, Ⅱ class 1 to 1.4 MPa, Ⅲ class 1 to 1.2 MPa, Ⅳ class 1 MPa
As the plywood from the criss-cross the preparation of the veneer, the thermal conductivity is lower than the same species of wood
The greater the unit pressure when gluing, the greater the density of the plywood. As the wood at high temperature easy to produce plastic deformation, hot glue gluing than the compression of the compression rate is greater.

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