Polyester Yarn
Polyester yarn is used in optic fiber cables. Characterizes: high strength、low heat?recovery?efficiency、small volume、non-hygroscopic 、high?temperature?resistance etc.
Usage: fix and tie up materials inside the cables.
Technical Indicator:
NO. |
Property |
Unit |
Polyester?Yarn |
|||
1 |
Linear?Density |
dtex |
1110±30 |
1670±40 |
2220±60 |
3330±90 |
2 |
Breaking?Strength |
N |
≥60 |
≥90 |
≥120 |
≥180 |
3 |
Elongation?at?Break |
% |
≥12 |
≥12 |
≥12 |
≥12 |
4 |
Breaking?Strength?after?Heat?Treatment(115℃±2?℃/2h) |
N |
≥50 |
≥70 |
≥100 |
≥150 |
5 |
Water?Content |
% |
≤1.0 |
|||
6 |
Hot?Air?Shrinkage |
% |
Standard≤4.3,?Low?Shrink≤2.0 |
?