8 mm polypropylene 10-year-old rope — Breaking Strength Test
Editor: Otto Tromm | Test date: 18-5-2026 We found a rope from 2016 in the warehouse. It has always been stored dry and fairly well protected from UV light in...
Otto Tromm |
Editor: Otto Tromm | Test date: 18-5-2026 We found a rope from 2016 in the warehouse. It has always been stored dry and fairly well protected from UV light in...
Otto Tromm |
Editor: Otto Tromm | Test date: 14-5-2026 Hemp is one of the oldest fibres used for rope — but how strong is it in 2025, compared to modern synthetic alternatives?...
Otto Tromm |
Editor: Otto Tromm | Test date: 12-5-2026 Polypropylene braided rope without core is known as light, low-cost, and functional — but how does it actually perform under maximum load? The...
Otto Tromm |
Editor: Otto Tromm | Test date: 8-5-2026 A 2.5 mm blind cord looks like a modest, thin cord intended for light-duty window covering applications. But what happens when it is...
Otto Tromm |
Introduction A 12 mm sheet line sounds like an everyday rope — used for sails, flags, and light applications on the water. But what happens when that rope is loaded...
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Spleitex is a rope that does not fit neatly into a standard category. It breaks differently from other ropes — and that is precisely what stood out during testing. What...
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A 10 mm sheet line might sound like an ordinary rope — but what happened during the breaking strength tests was anything but ordinary. Before the rope broke, it produced...
Otto Tromm |
Editor: Otto Tromm | Test date: 15-4-2026 Dyneema 1.5 mm rope with coating: breaking strength tested Small rope diameters are often underestimated. A 1.5 mm rope sounds fragile, but when...
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Editor: Otto Tromm | Test date: 14-4-2026 Dyneema is known as the strongest rope fibre per unit of weight in the world — but what happens when that fibre is...
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Editor: Otto Tromm | Test date: 13-4-2026 A cord with a 1.5 mm diameter sounds fragile. Barely thicker than a shoelace, thinner than a pencil tip. But what if a...
Otto Tromm |
Editor: Otto Tromm | Test date: 11-4-2026 A Kevlar cord of 1.5 mm is thin — thinner than a pencil tip. What this cord does under a tensile test, and...
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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...
Otto Tromm |