Finite Fiber LLC

Finite Fiber is a U.S.-based manufacturer specializing in high-performance engineered fiber solutions used to strengthen materials across industrial, automotive, mining, & energy applications. With over 75 years of experience, we help manufacturers, engineers, and R&D teams improve product performance through fiber reinforcement technologies designed for durability, strength, and consistency. Our core capabilities include the processing and customization of a wide range of cut and chopped fibers, including aramid fibers, cellulose fibers, polyester fibers, and nylon fibers. These materials are used in applications such as fiber reinforced concrete, fiber reinforced polymers, fiber reinforced plastics, and rubber compound reinforcement.