First, The first step in making particleboard is to
get together a good and uniform mix of wood particles to use.
You want to have a mix of different species and different wood
Second, the particles are prepared. They may need to
be cut into smaller pieces, ground up or cut in a similar shape.
Third, the wood particles are dried. If they're not dry,
the glue won't stick as well (you've probably seen how hard it
is to glue wet stuff before).
Fourth, a glue mixture is sprayed onto the particles
and mixed in well. By the way, the glue doesn't cover all the
particles - the glue is so strong, it only has to be sprayed on!
Fifth, a mat is made out of the particles. Usually, the
mat is made by pouring the glue and particle mixture onto a moving
belt to a set width.
Sixth, the moving belt then takes the mat to a special
press. This press presses the particles very close together and
heats up the mat. The heat makes the glue stick better. The particleboard
mat is pressed for a couple of minutes.
When the press opens, the particleboard is just about
finished! After being cooled and sanded, you have particleboard!