Chipboard also called particle board is generally used for flooring and counter tops.
Chipboard is made by the gluing layers of fragments of recycled paper together.
This forms a large board standard size is 1220 by 2440 (600 x 2440 for flooring).
Stronger and higher density chipboard is made from gluing small pieces of wood.
These high density chipboard are usually used for kitchen cabinets and flooring.
Also stock white melamine shelving
Chipboard and Particle Boards