5mm Polyester 24-Strand Rope — Breaking Strength Test
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...
Otto Tromm |
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3mm Coloured Cord — Breaking Strength Test
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,...
Otto Tromm |
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6mm Coloured Cord — Breaking Strength Test
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...
Otto Tromm |
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8 mm Coloured Cord — Breaking Strength Test
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...
Otto Tromm |
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8mm Spleitex Rope — Breaking Strength Test
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...
Otto Tromm |
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6 mm polypropylene twisted rope — Breaking Strength Test
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...
Otto Tromm |
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10 mm Coloured Cord — Breaking Strength Test
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...
Otto Tromm |
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8 mm Polypropylene Twisted Rope — Breaking Strength Test
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...
Otto Tromm |
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10 mm Polypropylene Twisted Rope — Breaking Strength Test
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...
Otto Tromm |
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12 mm Polypropylene Twisted Rope — Breaking Strength Test
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...
Otto Tromm |
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4 mm HMPE with polyester sheath 4 mm rope — Breaking Strength Test
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...
Otto Tromm |
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7 mm nylon rope — Breaking Strength Test
Nylon has a reputation as the rope that absorbs energy — but what exactly happens in the seconds before it breaks? When testing this 7 mm nylon cord, small sounds...
Otto Tromm |
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8 mm 8-Strand Cotton Without Core Rope — Breaking Strength Test
Cotton is not known as a performance fibre. But how weak is it in practice — and what does that mean for an 8mm rope with an 8-strand braided construction?...
Otto Tromm |
