buckram
A BOOK CLOTH made
from cotton or linen, usually the former, and
closely woven, occasionally with a double warp. It
is filled or coated and calendered to give it a
smooth finish which blocks well and is reasonably
durable. Originally, the term applied only to a
starch-filled fabric; today, however, it applies
also to coated and impregnated fabrics having a
heavy base. The material used to fill the
interstices and/or cover the base fabric is
usually pyroxylin, but it may be starch, china
clay, clay, or other nonfibrous material.