Particle board is made by compressing wood chips with glue. In flat-pressed particle board, the chips are mainly parallel to the surface. The chips in the surface layer are thinner than those in the middle layer, so the surface of the particle board is denser and more compact than the middle.

In standard particle board, urea formaldehyde is mainly used as glue. The amount of glue in a particle board is 10%, and many coated board products are classified in surface material emissions class M1. Material classification includes the limit values for the emissions of building materials meant for interiors, as well as their classification. Class M1 contains emissions-tested materials, whose emissions of impurities are within the most stringent requirements.

    In standard particle board, urea formaldehyde is mainly used as glue. The amount of glue in a particle board is 10%, and many coated board products are classified in surface material emissions class M1. Material classification includes the limit values for the emissions of building materials meant for interiors, as well as their classification. Class M1 contains emissions-tested materials, whose emissions of impurities are within the most stringent requirements.

In terms of its basic properties, particle board is comparable to wood. It also has the following benefits, owing to its method of manufacture:

· no grain direction

· particle board is homogeneous and has the same degree of strength in different directions.

· the dynamics of the board in the direction of the plane surface is slight.

The density of particle board varies between 650 and 750 kg/m3, so it is considerably heavier than sawn conifer timber.