DonFiber PP-F Plus High strength fibrillated polypropylene fibers You might also be interested in DonFiber PP Macro High-performance macro polypropylene fibres for shotcrete DonFiber PP Macro E High-performance corrugated macro polypropylene fibres DonFiber PP-F High-performance fibrillated polypropylene fibers DonFiber ST300 High performance corrugated steel fibers for reinforcement of concrete and mortar