Three-strand polyester is resistant to acids, organic solvents and mildew.
It is made to government spec 40-GP-11. It has lower stretch and elongation properties under working load than three-strand nylon.
It also has the best resistance to deterioration from UV.
| Diameter in inches | 1/2″ |
| Diameter in MM | 12.7 |
| Breaking Strength (lbs.) | 5200 |