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Appendix A Specifications 400
Paper Specifications
Paper Weight Equivalence Table
Use this table to determine approximate equivalent points in weight
specifications other than U.S. bond weight. For example, to determine the
equivalent of 20 lb U.S. bond weight paper in U.S. cover weight, locate the
bond weight (in row 3, second column) and scan across the row to the cover
weight (in the fourth column). The equivalent is 28 lb.
Shaded areas indicate a standard weight for that grade.
U.S.
Post
Card
a
thick-
ness
(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)
Europe
Metric
Weight
(g/m
2
)
Japan
Metric
Weight
(g/m
2
)
16 41 22 27 33 37 60 60
17 43 24 29 35 39 64
64
20 50 28 34 42 46 75 75
21 54 30 36 44 49
80 80
22 56 31 38 46 51 81
81