double thick cover paper
Two thicknesses of cover paper laminated together
with adhesive to produce a very stiff cover paper.
The more common basis weights are 100 pounds (two
50-pound sheets) and 130 pounds (two 65-pound
all CoOL documents]
Timestamp: Saturday, 19-Nov-2011 13:18:40 PST
Retrieved: Saturday, 16-Feb-2019 17:22:02 GMT