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to Double
Braids Main
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Rope Characteristic
Polydyne is a double braided rope incorporating a polyester sleeve of
Honeywell’s type 1W81 fiber over a nylon core. Polydyne maximizes
load sharing between core and sleeve yielding extremely high strength
and the highest working energy absorption capacity of all Yale ropes.
Polydyne is identified by two green strands separated by a white strand
braided into the cover of the rope. The date of manufacture is denoted
by colored yarn between the core and the sleeve of the rope.
Specific Gravity -1.24 |
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| Diam Inches |
Average Break
Strength Pounds |
Minimum Break
Strength Pounds |
Max. Working
Load 5:1 |
Weight Pounds
Per 100 ft. |
|
| 1/4 |
2,500 |
2,250 |
625 |
2.0 |
| 5/16 |
3,800 |
3,420 |
950 |
3.0 |
| 3/8 |
5,000 |
4,500 |
1,250 |
4.0 |
|
| 7/16 |
7,500 |
6,750 |
18,750 |
5.6 |
| 1/2 |
10,500 |
9,450 |
2,625 |
7.5 |
| 9/16 |
15,000 |
13,500 |
3,750 |
9.7 |
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| 5/8 |
18,000 |
16,200 |
4,500 |
12.9 |
| 3/4 |
23,000 |
20,700 |
5,750 |
17.0 |
| 7/8 |
32,000 |
28,800 |
8,000 |
23.5 |
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| 1 |
42,000 |
37,800 |
10,500 |
31.0 |
| 1-1/8 |
52,000 |
46,800 |
13,000 |
37.0 |
| 1-1/4 |
65,000 |
58,500 |
16,250 |
46.0 |
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| 1-5/16 |
77,000 |
69,300 |
19,250 |
55.0 |
| 1-1/2 |
90,000 |
81,000 |
22,500 |
66.0 |
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Elastic
Elongation (Polydyne™)
The colored area under the curve represents the rope's energy absorption
capability.
 Green
working 1040 ft. lbs/lb
 Red
ultimate 9700 ft. lbs/lb.
Dielectric Strength (Polydyne™)
The maximum allowable leakage for new dry Polydyne™ is 2.00 milliamperes
at 60K DC Volts when tested in accordance with Yale Cordage Test Method
DTP-185. Caution: Absorbed and entrained moisture or impurities will
dramatically increase a rope's conductivity.
Polydyne is made to Yale Specification #YCI-PD-012. |
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