PROTON®-8

Proton-8 uses Dyneema® fiber for high strength and low weight, with a polyester overlay to provide the heat resistance and grip necessary for use on bitts and capstans. Its flexible, torque-free, 8-strand construction performs well on both single- and split-drum winches. Proton-8 is Samthane coated, which increases wear life.

Product Code

830

Specific Gravity

1.09

Elastic Elongation
10% 20% 30%
0.58% 0.87% 0.96%

Fiber (Core/cover)

HMPE - Polyester Blend

Splice

8-Strand Class II

Barge and Dredge Working Line   •   Capstan Line

Easy to splice   •   Firm, yet flexible   •   Heat resistant   •   High coefficient of friction   •   High strength-to-weight ratio   •   Low water absorption   •   Solid grip on winch drums, bitts, and capstans   •   Torque-free construction

  Imperial Metric ISO  
  DIAM.
inch
CIRC.
inch
WEIGHT PER 100 FT.
lbs
AVG. STRENGTH
lbs
MIN. STRENGTH
lbs
DIAM.
mm
CIRC.
mm
WEIGHT PER 100 M
kg
AVG. STRENGTH
kg
MIN. STRENGTH
kg
ISO 2307 STRENGTH
metric tons
 
  1 3 19.5 65,000 55,300 24 72 29 29,500 25,100 27.8  
  1 1/8 3 1/2 24 81,000 68,900 28 84 35.7 36,700 31,200 34.7  
  1 1/4 3 3/4 33.5 102,000 86,700 30 90 49.8 46,300 39,300 43.7  
  1 5/16 4 39.9 122,000 104,000 32 96 59.4 55,300 47,000 52.3  
  1 3/8 4 1/8 41.5 127,000 108,000 34 100 61.8 57,600 49,000 54.4  
  1 1/2 4 1/2 48.6 147,000 125,000 36 108 72.3 66,700 56,700 63  
  1 5/8 5 55.3 165,000 140,000 40 120 82.3 74,800 63,600 70.7  
  1 3/4 5 1/2 74.4 224,000 190,000 44 132 111 102,000 86,400 96  
  2 6 89.6 280,000 238,000 48 144 133 127,000 108,000 120  
  2 1/8 6 1/2 106 326,000 277,000 52 156 158 148,000 126,000 140  
  2 1/4 7 114 372,000 316,000 56 168 170 169,000 143,000 159  
  2 3/8 7 1/8 139 451,000 383,000 57 174 207 205,000 174,000 193  
  2 1/2 7 1/2 144 466,000 396,000 60 180 214 211,000 180,000 200  
  2 5/8 8 154 513,000 436,000 64 192 229 233,000 198,000 220  
  2 3/4 8 1/2 169 551,000 468,000 68 204 251 250,000 212,000 236  
  3 9 205 638,000 542,000 72 216 305 289,000 246,000 273  
  3 1/4 10 265 739,000 628,000 80 240 394 335,000 285,000 317  

ISO strength specifications are for unspliced rope. All other strength specifications are for spliced rope.

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