Polyester Rope - Strength

Polyester rope 3-strand and 8-strand. minimum breaking strength and safe load

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Polyester rope is made from continuous filament polyester.

polyester rope strength

Minimum breaking strength and safe load of polyester rope are indicated below.

Rope Diameter Minimum Breaking Strength Safe Load
(Safety Factor 12) 		Weight
(in) (mm) (lbf) (kN) (lbf) (kN) (lbm/ft) (kg/m)
3/16 5 765 3.40 63.8 0.284 0.011 0.016
1/4 6 1315 5.85 110 0.487 0.020 0.029
5/16 8 2050 9.1 171 0.760 0.031 0.045
3/8 10 2900 12.9 242 1.07 0.044 0.065
7/16 11 3915 17.4 326 1.45 0.059 0.088
1/2 12 5085 22.6 424 1.88 0.077 0.115
9/16 14 6435 28.6 536 2.39 0.098 0.146
5/8 16 7825 34.8 652 4.15 0.120 0.179
3/4 18 11200 49.8 933 5.65 0.172 0.256
7/8 22 15225 67.7 1270 7.34 0.234 0.348
1 24 19775 88.0 1650 8.23 0.304 0.452
1 1/16 26 22225 99 1850 9.21 0.342 0.509
1 1/8 28 24800 110 2070 11.0 0.385 0.573
1 1/4 30 29800 133 2480 12.1 0.465 0.692
1 3/8 32 32500 145 2710 15.7 0.465 0.759
1 1/2 36 42200 188 3520 18.2 0.51 0.997
1 5/8 40 49250 219 4100 21.1 0.67 1.16
1 3/4 44 57000 254 4750 26.7 0.78 1.35
2 48 72000 320 6000 30.0 0.91 1.74

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