Cortland Double Braid – Polyester

Cortland Double Braid – Polyester

Polyester Double Braid provides an excellent combination of high strength, low stretch, excellent weathering and easy handling.

Of all the popular fibers polyester has the best weathering characteristics and the best wet abrasion resistance. Polyester Double Braid is identified with one external black marker.

Polyester Double Braid is delivered standard with an overlay marine finish and is available on special order with a spliceable polyurethane finish in clear or any of six colors.

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Cortland International Logo

Description

Features and Benefits:

  • Low stretch
  • High strength
  • Soft hand
  • Torque free
  • Excellent wet strength
  • Meets MIL-DTL-24677B

Applications:

  • Winch lines
  • Utility pulling lines
  • Towing lines
  • Offshore anchor and lifting lines
  • Arborist bull ropes
  • Theatrical rigging lines

Certifications:

  • ABS
  • DNV-GL

ABS / DNV GL Logos

Cortland Double Braid Polyester Rope

Nominal Diameter
(inches)		 Size
(circ in.)		 Approximate Weight
(lbs/100ft)		 Minimum Tensile Strength
Spliced Rope
(lbs)		 Minimum Tensile Strength
ISO Unspliced Rope
(lbs)
1/4 3/4 2.4 2,400 2,700
5/16 1 3.6 3,600 4,000
3/8 1-1/8 4.8 4,800 5,300
7/16 1-1/4 6.3 6,300 7,000
1/2 1-1/2 8.6 8,400 9,300
9/16 1-3/4 11.1 10,750 11,900

ABS and DNV Type Approved Sizes
5/8 2 13.1 12,300 13,700
3/4 2-1/4 18.8 17,400 19,300
7/8 2-3/4 25.6 24,000 26,700
1 3 33.5 31,200 34,700
1-1/8 3-1/2 42.4 39,500 43,900
1-1/4 3-3/4 52.3 48,100 53,400
1-5/16 4 57.8 53,100 59,000
1-1/2 4-1/2 75.4 64,300 71,400
1-5/8 5 88.2 77,800 86,400
1-3/4 5-1/2 103.0 89,200 99,100
2 6 134.0 110,000 122,200
2-1/8 6-1/2 151.0 124,000 137,800
2-1/4 7 169.0 141,000 156,700
2-1/2 7-1/2 209.0 170,000 188,900
2-5/8 8 231.0 186,000 206,700
2-3/4 8-1/2 265.0 206,000 228,900
3 9 301.0 237,000 263,300
3-1/4 10 354.0 292,000 324,400
3-5/8 11 440.0 348,000 386,700
4 12 536.0 401,000 445,600
4-1/4 13 605.0 454,000 504,400

Tensile Strengths are determined in accordance with Cordage Institute 1500, Test Methods for Fiber Rope. Weights are calculated at linear density under standard preload (200d2) plus 4%. See reverse side for application and safety information.

 

Technical InformationCortland Double Braid Polyester Rope Technical Chart

Specific gravity: 1.38*
Melting point: 482°F (250°C)
Critical temperature: 350°F (177°C)
Coefficient of friction: 0.12–0.15*
Elongation at break: 15–20%
Fiber water absorption: 0–1%
UV resistance: excellent
Wet abrasion: excellent
Dry abrasion: excellent

* Value based on data supplied by the fiber manufacturer for new, dry fiber

 

 

 

 

 

All product warnings: Warnings Page

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