Aramid yarns.  These strength members are also known by the trade name Kevlar®).   They provide tensile strength to the finished cable assembly (they are crimped to the connector body, so that any pull stress applied to the cable after it is connectorized will be taken by the aramid yarn, and not the fiber itself).

  • These high-strength synthetic fibers are notorious for dulling cutting blades.   While this fabric can be cut with any sharp knife, razor blade, or scissors, they will easily dull such common off-the-shelf tools.   Scissors designed specifically for cutting Kevlar should be used, and will provide much longer service life.  They will need to be replaced or re-sharpened when they no longer cut easily.

READ THE BLOG: Good stripping techniques for your fiber optic cable assembly process

Additional resources from the FOC team include:

Have questions about this FOC Tip?

Contact FOC with questions at: (800) 473-4237 / 508-992-6464 or email: and we will respond ASAP. 

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