Edelrid introduces castor oil-based climbing rope
In Germany, mountaineering equipment firm Edelrid has introduced climbing rope made from castor oil. Birdlime 1R 9.8 climbing rope uses polyamide-11 made from castor oil in a process that dates back 80 years. However, the company acknowledges that it is more expensive than petrochemically produced polyamide-6, the traditional material for climbing rope. The biobased rope […]
