cover papers
A class of papers used for the covers of pamphlets
(other than self-covers), catalogs, brochures, or
any other stitched publication, to provide
protection during handling and (sometimes) to
enhance appearance. They are made in white and a
wide range of colors. The majority have plain
edges; however, they are also available with
deckle edges. Cover papers generally have good
folding characteristics, and have rough finishes
or are embossed with fancy designs. They are
usually produced from chemical wood pulps,
sometimes in mixtures with mechanical wood pulp,
and, although many are made from pulps containing
varying amounts of cotton fiber pulps, they have
but little permanence. Various coated papers,
including plain, heavy, plastic-coated,
cast-coated, metallic, and cloth-lined papers are
also used. Common basis weights of uncoated cover
papers are 50, 65, 80, and 2/65 pounds (20 X 26 -
500), while weights of coated papers are 60, 80,
and 100 pounds (20 X 26 - 500). Aside from folding
endurance, desired characteristics include
dimensional stability, uniformity of printing
surface, and durability. (17 , 86 , 139 , 234 )
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