It is the "non-formaldehyde adhesive" fake "of formaldehyde-free board" likely to mislead consumers, but the sales staff is still safe to say that the sheet does not contain formaldehyde.

Wood is an anisotropic material The wood fibers are arranged in the longitudinal, The wood is porous material under the microscope, the longitudinal lined ducts, wood vertical deformation of the smallest, the fastest velocity of water; The width of the large deformation of wood (tangential and radial); active in water conduction is very slow.

The air is humid, southern China The highest 85%%, and the relative humidity of the air Equilibrium moisture content of 16% per cent of the floor, Even the northeast and North China.