Definitions for "Zytel"
Zytel is a trademark owned by Du Pont and used for a number of different high strength, abrasion and impact resistant thermoplastic polyamide formulations of the family more commonly known as nylon. Zytel is often used with a fiberglass filler, which adds additional stiffness. Former American 200m and 400m sprinter used gold coloured spikes made of Zytel, these were made by Nike and weighed a mere 30 grams.