Equivalent Weights
|
Bond
|
Book
|
Cover
|
Index
|
Bristol
|
Tag
|
Grams/ sq.
meter
|
|
10 lbs.
|
25 lbs.
|
14 lbs.
|
21 lbs.
|
17 lbs.
|
23 lbs.
|
38
|
|
11 lbs.
|
28 lbs.
|
15 lbs.
|
23 lbs.
|
19 lbs.
|
25 lbs.
|
41
|
|
12 lbs.
|
30 lbs.
|
17 lbs.
|
25 lbs.
|
21 lbs.
|
28 lbs.
|
45
|
|
13 lbs.
|
33 lbs.
|
18 lbs.
|
27 lbs.
|
22 lbs.
|
30 lbs.
|
49
|
|
15 lbs.
|
38 lbs.
|
21 lbs.
|
31 lbs.
|
26 lbs.
|
35 lbs.
|
56
|
|
16 lbs.
|
40 lbs.
|
22 lbs.
|
33 lbs.
|
27 lbs.
|
37 lbs.
|
60
|
|
18 lbs.
|
45 lbs.
|
25 lbs.
|
37 lbs.
|
31 lbs.
|
42 lbs.
|
68
|
|
20 lbs.
|
50 lbs.
|
28 lbs.
|
42 lbs.
|
34 lbs.
|
45 lbs.
|
74
|
|
22 lbs.
|
55 lbs.
|
30 lbs.
|
45 lbs.
|
37 lbs.
|
50 lbs.
|
81
|
|
24 lbs.
|
60 lbs.
|
33 lbs.
|
50 lbs.
|
41 lbs.
|
55 lbs.
|
89
|
|
26 lbs.
|
65 lbs.
|
36 lbs.
|
54 lbs.
|
45 lbs.
|
59 lbs.
|
96
|
|
28 lbs.
|
70 lbs.
|
38 lbs.
|
57 lbs.
|
47 lbs.
|
64 lbs.
|
104
|
|
32 lbs.
|
80 lbs.
|
44 lbs.
|
66 lbs.
|
54 lbs.
|
73 lbs.
|
118
|
|
39 lbs.
|
100 lbs.
|
55 lbs.
|
82 lbs.
|
67 lbs.
|
91 lbs.
|
147
|
|
43 lbs.
|
110 lbs.
|
60 lbs.
|
90 lbs.
|
74 lbs.
|
100 lbs.
|
162
|
|
45 lbs.
|
114 lbs.
|
62 lbs.
|
93 lbs.
|
77 lbs.
|
104 lbs.
|
168
|
|
47 lbs.
|
120 lbs.
|
65 lbs.
|
97 lbs.
|
81 lbs.
|
108 lbs.
|
177
|
|
53 lbs.
|
134 lbs.
|
74 lbs.
|
110 lbs.
|
91 lbs.
|
122 lbs.
|
199
|
|
54 lbs.
|
138 lbs.
|
75 lbs.
|
113 lbs.
|
93 lbs.
|
125 lbs.
|
203
|
|
58 lbs.
|
146 lbs.
|
80 lbs.
|
120 lbs.
|
99 lbs.
|
133 lbs.
|
218
|
|
65 lbs.
|
165 lbs.
|
90 lbs.
|
135 lbs.
|
111 lbs.
|
150 lbs.
|
243
|
|
70 lbs.
|
178 lbs.
|
97 lbs.
|
146 lbs.
|
120 lbs.
|
162 lbs.
|
262
|
|
76 lbs.
|
192 lbs.
|
105 lbs.
|
157 lbs.
|
130 lbs.
|
175 lbs.
|
283
|
|
87 lbs.
|
220 lbs.
|
120 lbs.
|
180 lbs.
|
148 lbs.
|
200 lbs.
|
324
|
|