
Standard size chart
Size No. | INNER DIAMETER | LAY FLAT LENGTH | CUT WIDTH | THICKNESS |
6 | 11 | 18 | 1.1 | 1.1 |
8 | 16 | 25 | 1.1 | 1.1 |
10 | 22 | 35 | 1.1 | 1.1 |
12 | 25 | 40 | 1.1 | 1.1 |
14 | 32 | 50 | 1.1 | 1.1 |
16 | 38 | 60 | 1.1 | 1.1 |
18 | 45 | 70 | 1.1 | 1.1 |
20 | 51 | 80 | 12 | 1.1 |
25 | 64 | 100 | 15 | 1.1 |
30 | 76 | 120 | 18 | 1.1 |
35 | 89 | 140 | 21 | 1.1 |
40 | 102 | 160 | 21 | 1.1 |
45 | 114 | 180 | 21 | 1.1 |
50 | 127 | 200 | 21 | 1.1 |