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Paper specifications
195
66 169 92 114 138 154 250
67 171 94 115 140 155 253
70 178 98 120 146 162 264
72 183
100 123 150 166 271
a. U.S. postcard measurements are approximate. Use for reference only.
b. Text and book grades actually calculate out to 51, 61, 71, and 81, but are
standardized to book/text weights of 50, 60, 70, and 80.
U.S.
postcard
a
thickness
(mm)
U.S.
bond
weight
(lb)
U.S. text/
book
weight
(lb)
U.S.
cover
weight
(lb)
U.S.
Bristol
weight
(lb)
U.S.
index
weight
(lb)
U.S.
tag
weight
(lb)
Metric
weight
(g/m
2
)