Pre-cured fibrous element for spar caps of wind turbine blades

A wind turbine blade part includes a plurality of precured fibrous elements each having a width defined between a first side and an opposite second side, a thickness defined between an upper surface and an opposite lower surface, a length defined by a first longitudinal end and a second longitudinal end, and a longitudinal direction extending between the first longitudinal end and the second longitudinal end. Each precured fibrous element includes a plurality of unidirectional fiber bundles extending substantially in the longitudinal direction of the precured fibrous element and at least one non-woven fiber strip. The plurality of unidirectional fiber bundles and the at least one non-woven fiber strip are embedded in a polymer matrix. The non-woven fiber strip is arranged between a plurality of first unidirectional fiber bundles and a plurality of second unidirectional fiber bundles of the plurality of unidirectional fiber bundles.