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T301: EQUIVALENT PAPER WEIGHTS
500 sheets per ream. Basis weights in BOLD type.
Paper Grade
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BOOK
25 x 38
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BOND
17 x 22
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COVER
20 x 26
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BRISTOL
22½ x 28½
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INDEX
25½ x 30½
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TAG
24 x 36
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METRIC
gm/m2
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BOOK
|
30
|
12
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16
|
20
|
25
|
27
|
44
|
40
|
16
|
22
|
27
|
33
|
36
|
59
|
45
|
18
|
25
|
30
|
37
|
41
|
67
|
50
|
20
|
27
|
34
|
41
|
45
|
74
|
60
|
24
|
33
|
40
|
49
|
55
|
89
|
70
|
28
|
38
|
47
|
57
|
64
|
104
|
80
|
31
|
44
|
54
|
65
|
73
|
118
|
90
|
35
|
49
|
60
|
74
|
82
|
133
|
100
|
39
|
55
|
67
|
82
|
91
|
148
|
120
|
47
|
66
|
80
|
9
|
109
|
178
|
BOND
|
33
|
13
|
18
|
22
|
27
|
30
|
49
|
41
|
16
|
22
|
27
|
33
|
37
|
61
|
51
|
20
|
28
|
34
|
42
|
46
|
75
|
61
|
24
|
33
|
41
|
50
|
56
|
90
|
71
|
28
|
39
|
48
|
58
|
64
|
105
|
81
|
32
|
45
|
55
|
67
|
74
|
120
|
91
|
36
|
50
|
62
|
75
|
83
|
135
|
102
|
40
|
56
|
69
|
83
|
93
|
158
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COVER
|
91
|
36
|
50
|
62
|
75
|
82
|
13
|
110
|
43
|
60
|
74
|
90
|
100
|
163
|
119
|
47
|
65
|
80
|
97
|
108
|
176
|
146
|
58
|
80
|
99
|
120
|
134
|
216
|
164
|
65
|
90
|
111
|
135
|
149
|
243
|
183
|
72
|
100
|
124
|
150
|
166
|
271
|
BRISTOL
|
100
|
39
|
54
|
67
|
81
|
91
|
148
|
120
|
47
|
65
|
80
|
98
|
109
|
178
|
148
|
58
|
81
|
100
|
121
|
13
|
219
|
176
|
70
|
97
|
120
|
146
|
162
|
261
|
207
|
82
|
114
|
140
|
170
|
189
|
306
|
237
|
93
|
130
|
160
|
194
|
216
|
351
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INDEX
|
110
|
43
|
60
|
74
|
90
|
100
|
163
|
135
|
53
|
74
|
91
|
110
|
122
|
203
|
170
|
67
|
93
|
115
|
140
|
156
|
252
|
208
|
82
|
114
|
140
|
170
|
189
|
328
|
TAG
|
110
|
43
|
60
|
74
|
90
|
100
|
163
|
137
|
54
|
75
|
93
|
113
|
125
|
203
|
165
|
65
|
90
|
111
|
135
|
150
|
244
|
192
|
76
|
105
|
130
|
158
|
175
|
284
|
220
|
87
|
120
|
148
|
180
|
200
|
326
|
275
|
109
|
151
|
186
|
225
|
250
|
407
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