Our Ropes

 

General Characteristics of Man-Made Fibers

  Nylon Polyester Polypropylene Manila
Fiber strength Grams per denier 8.0 - 9.0 6.5 - 8.5 6.0 - 7.5 5.0
Repeat Loading Characteristics Excellent Excellent Good Poor
Ability to Float No No Yes No
Elongation at Breaking Point 35% 22% 24% 27%
% of Water Absorption into Fibers Up to 9% less than 1% 0% up to 100% of rope weight
Sunlight Deterioration Some Very Low Some High
Surface Abrasion Resistance Very Good Excellent Good Good
High Temperature Properties Melts @480°F Melts @482°F Melts @330°F Loses strengthover 180°F
Effects of Cold Temperature Slight Increase in strength to -5°F Slight Increase in strength to -40°F Becomes Brittle @ -40°F Begins to split & Fracture below -32°F
Flammability Melts First Melts First Melts First Burns like wood

The Economics of Rope Buying

  Nylon Polyester Polypropylene Manila
Service Life Factor
Manila = 1
2-5 3-5 2-3 1
Cost per Pound
Manila = 100
187 178 102 100
Cost per Foot
Manila = 100
179 201 68 100
Cost per Foot
Factoring Service Life
Manila = 100
51 50 27 100
Cost per Foot
with Working Stretch Factor
Manila = 100
113 163 52 100
Cost per foot
with both working strength and service factor
Manila = 100
32 40 21 100

Ropes by Material

  1. Nylon Multifilament
  2. Polyester Multifilament
  3. Polypropylene Monofilament
  4. Film Polypropylene
  5. Polypropylene Multifilament
  6. Combination (Polyester and Polypropylene)
  7. Manila
  8. Sisal
  9. Cotton
  10. Laytex & Rubber
  11. Tug Tape

Ropes by Construction

  1. Nylon Multifilament
  2. Polyester Multifilament
  3. Polypropylene Monofilament
  4. Film Polypropylene
  5. Polypropylene Multifilament
  6. Combination (Polyester and Polypropylene)
  7. Manila
  8. Sisal
  9. Cotton
  10. Laytex & Rubber
  11. Tug Tape

Para asistencia en español favor contactar a Cecilia: cpadilla@unicordcorp.com
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