What are the most important technical specifications for a pulling rope?

2025-08-15

When selecting a rope, it's crucial to look beyond just the material. The most important technical specifications to consider are:

  • Tensile Strength (or Breaking Strength): This is the maximum force the rope can withstand before it breaks. It is determined by the rope's material, diameter, and construction (e.g., braided vs. twisted).

  • Working Load Limit (WLL): This is the maximum weight or force the rope should be subjected to in everyday use. The WLL is calculated by applying a safety factor to the tensile strength. For cable pulling, we recommend a safety factor of at least 4:1. For example, if a puller exerts a force of 1,000 kg, you should use a rope with a WLL of at least 4,000 kg.

  • Construction: Double-braided nylon rope is a superior choice for professional use. It consists of a braided core covered by a braided jacket, providing higher strength, better abrasion resistance, and a smooth, torque-free pull.

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