An astonishing process, bonding rope sheath and core without affecting the rope’s suppleness. If the sheath is cut or torn, the core and sheath remain bonded together. With a standard rope, if the sheath is cut by abrasion over an edge, a frequent occurrence in the mountains, it slides and gathers over some metres.
It then becomes impossible to pass this zone, whether ascending or descending.
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An infrared treatment which stabilises the sheath fibers and therefore makes yarns more homogeneous. The result is a more compact, better handling rope.