Our Standard Product "need-to-know" technical specifications for different types of fibers commonly used in cord and rope are featured below.
 

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Diamond Braid
Double Braid
Hollow Braid
Solid Braid
General

Diamond Braids

Diamond Braid Nylon Specs 8-carrier Diamond Braid Polyester Specs 8-carrier
Diameter Average
Tensile
Strength
Approximate
Weight for 
1000 Feet
Diameter Average
Tensile
Strength
Approximate
Weight for 
1000 Feet
3/32" 300 lbs. 3.7 lbs. 3/32" 300 lbs. 4 lbs.
7/64" 360 lbs. 4.5 lbs. 7/64" 360 lbs. 4.8 lbs.
1/8" 450 lbs. 6 lbs. 1/8" 450 lbs. 6.2 lbs.
9/64" 510 lbs. 7.2 lbs. 9/64" 500 lbs. 7.2 lbs.
5/32" 650 lbs. 7.6 lbs. 5/32" 650 lbs. 8.9 lbs.
3/16" 750 lbs. 11.7 lbs 3/16" 750 lbs. 12.1 lbs
7/32" 950 lbs. 13.8 lbs 7/32" 1,000 lbs. 15.4 lbs
1/4" 1,100 lbs. 16.7 lbs. 1/4" 1,200 lbs. 21.2 lbs.
5/16" 2,000 lbs. 25.3 lbs. 5/16" 2,100 lbs. 27.6 lbs.
3/8" 2,500 lbs. 35.3 lbs. 3/8" 2,600 lbs. 39 lbs.
      1/2" 3,300 lbs. 45 lbs.

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Double Braids

Dia.
Circ
Polyester
Nylon
Poly/Nylon
WeightLbs/100 ft. AverageTensil Strength WeightLbs/100 ft. AverageTensil Strength WeightLbs/100 ft. AverageTensil Strength
1/4" 3/4'" 2.5 2800 1.7
2330
2.3
2950
5/16"
1" 3.6 4200 2.6 3400 3.4 4300
3/8" 1 1/8" 5.0 5550
3.7 4800 4.7 5660
7/16" 1 1/4" 6.4 7400 5.0 6600 6.1 7400
1/2" 1 1/2" 8.9 9900 6.4 8300 7.8 10500
9/16" 1 3/4" 11.6 12600 8.4 11800 10.4 13100
5/8" 2" 14.2 15600 12.0 14700 12.8 16300
3/4" 2 1/4" 18.0 19600 16.0 20000 17.6 23500
7/8" 2 3/4" 27.0 29000 21.8 27400 23.5 30800
1" 3" 36.8 37500 23.0 33000 31.5 40600
1 1/8" 3 1/2" 45.0 46000 35.8 44000 39.0 49900
1 1/4" 3 3/4" 54.0 54500 41.0 50600 47.0 59100

Hollow Braids Monofilament Polypropylene Specs

  • Hollow Braids can be made up to 1 1/4 inch in diameter.
  • Polypropylene, nylon, Poly "E", Spectra, Kevlar, Nomex, polyester
  • Carriers:  8, 12, 16, 24
  • All colors & lengths
  • Typical uses:  dog leashes, barrier ropes, tie-downs, water sports, other sporting goods, general purpose
  • Floats & can be stored wet
Diameter
Average
Tensile
Strength
Approximate
Weight for 
100 Feet
1/8"
240 lbs.
4 lbs.
3/16"
600 lbs.
6 lbs
1/4"
1,000 lbs.
8 lbs.
5/16"
1,300 lbs.
10 lbs.
3/8"
1,800 lbs.
12 lbs.
1/2"
2,900 lbs.
16 lbs.

Solid Braids

Solid Braids can be made up to 1 inch in diameter.

Solid Braid Cotton Solid Multifilament Polypropylene Braid
Diameter Average
Tensile
Strength
Approximate
Weight for 
1000 Feet
Diameter Average
Tensile
Strength
Approximate
Weight for 
1000 Feet
1/8" 100 lbs. 5 lbs. 1/8" 250 lbs. 3.1 lbs.
9/64" 125 lbs. 9.8 lbs. 3/16" 550 lbs. 6.25 lbs.
5/32" 160 lbs. 10.5 lbs. 7/32" 700 lbs. 9 lbs
3/16" 240 lbs. 15.2 lbs 1/4" 800 lbs. 12.5 lbs.
7/32" 300 lbs. 18.2 lbs 5/16" 1,200 lbs. 23 lbs.
1/4" 270 lbs. 22.7 lbs. 3/8" 1,600 lbs. 30 lbs.
9/32" 440 lbs. 28.7 lbs. 1/2" 2,000 lbs. 46 lbs.
5/16" 560 lbs. 37 lbs. 5/8" 2,400 lbs. 63 lbs.
3/8" 720 lbs. 50 lbs. 1 1 1
7/16" 950 lbs. 57 lbs. 1 1 1
1/2" 1,180 lbs. 62.5 lbs. 1 1 1

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General

 
Cotton
Multifilament Nylon
Multifilament Polyester
Multifilament Polypropylene
Breaking strength
(grams per denier)
3-5 gpd
5.9-9.5 gpd
6-9.5 gpd
2.5-8 gpd
Stretch elongation at breaking point (%)
3% to 7%
15% to 28%
12% to 14%
20% to 100%
Elastic Recovery
74% at 2%
45% at 5%
99% at 2%
89% at 3%
99% at 2%
88% at 5%
98% at 5%
95% at 10%
Specific Gravity
1.54
1.14
1.38
0.91 (floats)
Moisture absorbency
Good resistance
Excellent resistance
Excellent resistance
Good resistance
Abrasion resistance
Good resistance
Excellent resistance
Excellent resistance
Good resistance
Effects of heat
Decomposes at 302°F
Yellows at 302°F
Melts at 482°F
Melts at 482°F
59% tensile at 200°F
Melts at 320°F
Effects of aging
Negligible
None
None
Negligible
Effects of UV
Loses strength
Loses strength after prolonged exposure
Loses strength after prolonged exposure
Good resistance to indirect sulight
Effects of acids
Dissintegrates in concentrated solutions
Good resistance
Dissolves in sulfuric acid
Good resistance
Dissolves in sulfuric acid
Good resistance except with oxidizing agents
Effects of alkalis
Swelling, but no damage
Inert
Moderate
Good resistance
Effects of organic solvents
Resists common solvents
Resistant. Soluable in phenolic & formic acids
Resistant. Soluable in phenolic  acid

in most except chlorinated hydrocarbons

Resistance to moths
Not attacked
Not attacked
Not attacked
Not attacked
Resistance to mildew
Poor, unless bleached
Not attacked
Not attacked
Not attacked