pewag wires & ropes
Information about wires & ropes
Steel wire ropes and their construction:
A strand consists of one or several layers of rope wires, which are being twined helix-shaped around a core. A strand rope consists of one or more layers of strands. The core may be made of fibre or of standard wires, a steel core (fibre cores are made of natural or synthetic fibre).
Ropes - twisted or braided?
| twisted ropes |
braided ropes
|
Advantages:
|
Advantages: |
| easy to splice |
higher technical variability of construction |
| high stability |
may be braided with different materials |
| slip-proof surface with deep splines |
individual fields of application |
| high flexibility |
|
| |
|
Disadvantages:
|
Disadvantages:
|
| low flexibility |
hard to splice |
| limited fields of application |
|
Several rope materials and their characteristics:
| |
Synthetik fibres |
Natural fibres
|
Wire |
| |
Polypropylene |
Polyamid |
Polyester |
Sisal |
Hemp |
Wire ropes
|
PVC-coated |
| Type |
braided/twisted |
braided |
braided |
twisted |
twisted |
- |
- |
Abrasion resistance
|
low |
high |
very high |
high |
high |
very high |
high |
| UV-resistance |
low |
high |
very high |
high |
high |
very high |
high |
Extension capacity
|
approx. 15 % |
approx. 20 % |
approx. 15 % |
approx. 5 % |
approx.
10 % |
approx. 2 % |
- |
| Loss of strenth when wet |
0 |
10-30 % |
0 |
10-15 % |
15 % |
0 |
0 |
| Floatage |
high |
low |
low |
low |
low |
low |
low |
| Solvent resistance |
high |
very high |
low |
low |
low |
very low |
high |
| Acid resistance |
very high |
low |
low |
low |
low |
low |
high |
| Leach resistance |
high |
high |
high |
low |
low |
very high |
high |
| Melting point |
170 °C |
215-255 °C |
260 °C |
n.s. |
n.s. |
filling 170 °C |
120-170 °C |
| Flammability |
melts |
melts |
melts |
flammable |
flammable |
- |
- |
| Other characteristics |
soil-resisting, rotting-resistant |
high tensile strength, thermostabilized |
high tensile strength, high flexibility |
natural product, hard fibre, high slip-proofness |
natural product, soft fibre, high slip-proofness |
- |
- |
Type of packaging:
- Bundles: please find the respective lenghts in the catalogue
- Reel type PW1: Dimension 20,0 x 28,7 cm
- Reel type PW2: Dimension 20,0 x 14,5 cm
- Reel type PW5: Dimension 30,0 x 23,0 cm
The dimension of the reel refers on each diameter x complete length.
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