Markforged Kevlar CFF Spool 3D filament
Kevlar CFF™ (Continuous Filament Fabrication) Spools. Kevlar has the best abrasion resistance and is our most flexible fiber material. For when you need parts that are durable and resistant to impact, Kevlar will take the blow. What is Kevlar? Kevlar is a synthetic fiber developed and produced by DuPont. Known for its light weight and toughness, it is traditionally used in products such as tires, sails, rope, and protective equipment.