Macro Fiber 54 Macro polypropylene synthetic fiber with twisted bundle You might also be interested in DonFiber PP-F High-performance fibrillated polypropylene fibers DonFiber ST300 High performance corrugated steel fibers for reinforcement of concrete and mortar DonFiber PP Ultra Ultra-fine, high performance monofilament polypropylene fibers DonFiber PP-M High-performance monofilament polypropylene fibers
