bookboard
Bookboard, in the context of bookbinding, is a thick, rigid paperboard used to form the covers and structural backbone of books, particularly hardcovers and case-bound editions. Sold in large sheets or rolls, it is supplied in several thicknesses and densities and is commonly referred to as greyboard or binder's board in the trade.
Most bookboard is made from recycled fibers or chemical pulps, yielding a dense, stiff material with low
Uses and processing: It provides the external shell of a hardcover, to which endpapers are glued and
Types and alternatives: The most common form is greyboard, also called binder's board, designed for high stiffness.
Environmental and sustainability: Recycled content is common, and many suppliers offer boards with recycled fiber and