Introduction Kevlar is recognised as one of the strongest fibres used in rope construction. But what happens when the core construction is the deciding factor between strong and surprisingly weak...
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Editor: Otto Tromm | Test date: 10-4-2026 Introduction Cotton has a long history as a rope material. It is soft to the touch, has a neat appearance, and is widely...
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Introduction 5 mm polyester rope is one of the most widely used ropes on the market — but how strong is it in practice? The 24-strand braided construction with core...
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A coloured cord of 3 mm may seem unremarkable — light, flexible, easy to handle. But what happens when it is actually loaded to break point? The combination of material,...
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6mm coloured cord tells a different story than expected. Compared to the hollow braided cord of the same diameter, this rope behaved noticeably differently at break — both in sound...
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8 mm coloured cord may seem unremarkable. But what this rope does on the universal testing machine differs noticeably from what the material would lead you to expect — and...
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Spleitex is a rope that at first glance appears technically unremarkable: a plain 8 mm twisted cord. What makes it distinctive is its appearance. At first sight, it is virtually...
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Polypropylene is generally considered the most modest member of the synthetic fibre family: lightweight, low-cost, and typically not the first choice when strength is the primary requirement. But what if...
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Introduction A 10 mm coloured cord in a sheath-core construction with three twisted cores — visually a solid piece of rope. The polypropylene multifilament (PPMF) construction, the colourful appearance and...
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Polypropylene is not known as the strongest fibre in the world of rope. It floats on water and is inexpensive, but its reputation for tensile strength is modest. What happens...
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Introduction Polypropylene twisted rope is known as the lightweight working rope for temporary use — low cost, floating, and not always entirely predictable at break. But what happens exactly when...
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Polypropylene does not have the best reputation when it comes to breaking strength. It is lightweight, inexpensive, and floats on water — but strong? That is not what you would...
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HMPE with polyester sheath 4 mm — breaking strength test A 4 mm rope that breaks at nearly twice the class average — that requires an explanation. The combination of...
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