rag board
Originally, a hard-calendered paper board used as
a support for the leather covering of carriages,
and produced from rags and waste paper in
thicknesses of approximately 0.125 inch. Today the
term refers to a general type of binder's board
used for mounting prints, art works, matting,
etc., or as the hoards for fine bindings. Its
outstanding characteristic is its high dimensional
stability and permanence. (17 )
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