Specifications
1.Environmental spiral binding2.Strick Quality Control
3.Fast Delivery
4.Sufficient Supply Capacit
Spiral inner diameter | Suggested binding thickness | ||
Model | Inner diameter(mm) | MM | SHEETS |
1/4 | 6.40 | 3.40 | 45 |
5/16 | 7.90 | 4.90 | 60 |
3/8 | 9.50 | 6.50 | 75 |
7/16 | 11.10 | 8.10 | 85 |
1/2 | 12.70 | 9.70 | 100 |
9/16 | 14.30 | 11.30 | 120 |
5/8 | 16.00 | 12.90 | 135 |
3/4 | 19.00 | 15.10 | 165 |
7/8 | 22.20 | 18.20 | 180 |
1 | 25.40 | 20.40 | 200 |
1-1/4 | 31.80 | 25.80 | 225 |
1-3/4 | 34.90 | 27.20 | 250 |
1-1/2 | 38.00 | 29.30 | 275 |
1-3/4 | 44.5 | 36.00 | 300 |
2 | 50.8 | 42.00 | 325 |
Environmental Plastic Single Coil, sometimes called Plastic coil book binding or spiral binding, allows a book to lie completely flat when opened cover to cover (360 degrees). This feature is great for cookbooks, calendars, instruction manuals, etc. In addition, binding coil is elastic and keeps its shape. Plastic coil binding elements are available in diameters from 6.4mm (1/4”) up to 50.8mm (2”) and either 12” or 36” lengths.
Create an impressive presentation with these colorful binding spines. Color coil adds energy to your reports and proposals, and demands attention. This spine always keeps its shape with bounce-back flexibility. It lets pages lie flat with 360° rotation for convenient note taking and photocopying. And, it permanently binds, so you can be sure documents stay organized.
we used PVC material does not contain the mercury ,plumbum(pb)and so on deleterious substance, and it can completely meet the export requirements .