Ropes and cords plaited from polyamide (PA)
Polyamide is used in fishery for its useful material characteristics.
Usage
- net attachment to a frame – used for small handling equipment
- repairing damaged net
- floats and buoys attachment
- towing and draught ropes attachment to nets
- binding ropes for boats
Characteristics:
- high strength, elasticity
- high stretchability
- high durability against abrasion
- endure higher temperature than PP, working temperature to 100°C
- fusing point 215°C
- do not float, become hard in water
- soaked and tightened knots cannot be untied
- heavier in comparison to PP (soaked or dry)
- lower endurance to feces and acids
Colors
- ropes and cords are usually made from PA in white or black color
The stated strength values are approximate and may differ slightly between products
PA cord – smooth, without core
| Diameter in mm | Approximate strength in kg | Weight g/m |
|---|---|---|
| 1,2 | 27 | 0,62 |
| 1,4 | 32 | 1 |
| 1,8 | 60 | 1,62 |
| 2 | 80 | 1,68 |
| 2 (dip net cord) | 90 | 1,88 |
| 2,5 | 150 | 2,78 |
| 3 | 190 | 3,46 |
| 3 (dip net cord) | 200 | 3,6 |
| 4 | 300 | 5,24 |
| 5 | 400 | 6,98 |
PA cord – cross knitting
| Diameter in mm | Approximate strength in kg | Weight g/m |
|---|---|---|
| 2 | 170 | 3,7 |
| 3 | 240 | 6,02 |
| 4 | 340 | 8,5 |
| 5 | 420 | 10,54 |
| 6 | 570 | 15,8 |
PA rope – smooth knitting
| Diameter in mm | Approximate strength in kg | Weight g/m |
|---|---|---|
| 4 | 550 | 11,5 |
| 6 | 900 | 22,4 |
| 8 | 1300 | 36,06 |
| 10 | 2300 | 56,92 |
Making nets in ten steps – use cord made from PA material
