Lifeline failure usually arrives as a shocking surprise, sometimes with disastrous consequences. Metal fatigue and crevice corrosion are hidden from sight in traditional lifeline construction, with potential danger lurking under white plastic coating and inside wire swage fittings. Adding to the worry, flimsy lifeline turnbuckles are notorious for failure and find their way into many gear graveyards.
The solution? Get rid of the metal and go with Dyneema rope instead. Dyneema lifelines are corrosion-free, easy to inspect for wear, and more than twice as strong as comparable stainless lines.
Dyneema is a common brand name of the incredibly strong and durable high modulus polyethylene (HMPE) category of rope. The suitability of this product for lifelines has been debated for years,
