A kind of highly sized rag paper or board, sometimes containing a small admixture of wood pulp; -- so called because used originally, as now, in presses for pressing and finishing knit underwear.

Manufactured on a wet machine from sulphate pulp and cotton fiber or a combination of both and finished with a high polish. Thickness ranges from .031 to .250 of an inch. Principal qualities: uniform thickness and density, excellent ply adhesion and good forming and molding properties. Available in a variety of colors.

A strong, high density board used for case backs, dust proofing or as the underlying structural base for veneers or vinyl wrap. Also known as composition board or particle board. Pressboard is commonly used by even the best furniture manufacturer's today because of it's proven strength and stability.