UFC 4-159-03
3 October 2005
Table 6-7. Stretch of Synthetic Lines
WIRE
DOUBLE
DOUBLE
ROPE & 12-STRAND KEVLAR
BRAIDED
NYLON
BRAIDED
STEEL
HMWPE
4-
POLY-
8-
NYLON
% Break
CORE
STRAND
ESTER
STRAND
Strength
% Stretch % Stretch
% Stretch
% Stretch
% Stretch % Stretch
(T/Tb)
(1)
(2)
(3)
(4)
(5)
(6)
0
0.000
0.000
0.000
0.000
0.000
0.000
5
0.076
0.697
1.922
10
0.151
0.250
1.084
1.275
3.335
4.250
20
0.302
0.434
1.656
2.863
5.798
7.353
30
0.453
0.691
2.025
5.776
7.886
9.821
40
0.605
0.915
7.890
10.210
11.950
50
0.756
1.126
2.495
9.528
11.987
13.610
60
0.907
1.395
11.012
13.745
14.999
70
1.058
1.593
12.338
15.472
80
1.850
13.793
90
2.126
15.054
100
2.356
16.197
(1) From Tension Technology, Inc.
(2) High Molecular Weight Polyethylene; Sampson Ropes
(3) VETS 198 Rope; Whitehill Mfg.
(4) Double Braided; Sampson Ropes; Mean of 10 & 11 in. cir. Data "2-in-1
Stable Braid"
(5) Broken in line; from Tension Technology, Inc.
(6) Double Braided; Sampson Ropes; Mean of 7, 10 & 12 in cir. Data; "2-in-2
Super Strong"
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