In many outdoor and aerial fiber optic cables, aramid yarn (often known as Kevlar®) is one of the most important components—yet it is also the most overlooked.
Most buyers only focus on the fiber type or jacket material, but in reality, aramid yarn directly determines the tensile strength, lifespan, and long-distance installation performance of the cable.
Today, let’s break down why aramid yarn matters and how it affects cable quality.
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