Braided polyester rope is made of high-strength, multifilament branded polyester yarn. Having a good strength polyester has lower stretch, is relatively heavy, but very resistant to weather influences and to most chemicals. Abrasion resistance is very high. Light resistance (UV light) is also very high. Ropes are of silky smooth and robust nature and do not harden.Rope characteristics.Stable in shape, round, slightly matt surface having a good grip, very abrasion resistant, highly weather resistant. A little bit stiff, but can be easily knotted, runs smoothly over rollers and pulleys, do not harden in the course of time.Physical and Chemical Properties of the Polyester Fibres:- Brand names: Diolen, Dacron, Trevira, Tersuisse- Yarn strength: 7 - 8,4 CN/dtex- Specific weight: 1,37 kg/dm³- Strength reduction due to moisture: 0%- Water uptake: 0,5-2,0% ( very low)- Knot strength: 55 - 60%- Light resistance (UV light): very high- Breaking strain: 10-16%- Operating elongation: < 5%- Abrasion resistance: very high- Washing temperature: 50-60°C- Melting temperature: 260°C- Application in 50% concentrated acids: 80% of residual value of the breaking load (at 25°C)- Application in 100% concentrated acids: 0% of residual value of the breaking load (at 100°C)- Petrol, diesel, lubricant oil: no reaction- Solvents: phenols, cresols, zinc chloride- Alkalis (caustic solutions): resistant to caustic solutions at 20°C, at 100°C are decomposed- Electrical properties: very high electrical insulation- Temperature limit: 170°C (short-term load)- Softening temperature: 225°C
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