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Polyester

History of Polyester

Polyester cloth was invented in Britain by the scientists John Whinfield and James Dickson in 1941. It was called Terylene. After the war the United States company DuPont bought the right to make it and by 1950 it was in production under the American name Dacron.

General Information on Polyester Ropes

If there was an ideal material for rope then it would be polyester. Its excellent resistance to UV and very good abrasion resistance coupled with its relatively high strength and low to moderate
stretch suits it to most applications on board. Unless there is a specific reason to use another type of rope, polyester should be your first choice.

Technical Specification on Polyester

Material: Polyester. Abbreviation PES
Specific Gravity: 1.38 Sinks
Resistance to Acid: Generally good except strong sulphuric.
Resistance to Alkali: Good when cold but poor at boiling point
Resistance to Solvents: Good except some phenolic compounds
Resistance to Heat: Up to 170°C Short exposure (Low: - 21°C)
Resistant to UV: Excellent
Resistance to abrasion: Very good
Affected by Moisture: No
Stretch: Low to moderate (10 - 16% at break). Creep: Virtualy nil
Knot holding: Excellent in matt ropes
Washing temperature: 50-60°C
Approximate Melting Point: 260°C