ALSO NUMBERED AS BS EN ISO 527/5 Defines test conditions for determining the tensile properties of unidirectional fibre-reinforced plastic composites, based on the principles given in part 1. Applies to composite having either thermoplastic or thermosetting matrices, including preimpregnated materials, eg carbon, glass, aramid and other similar fibres. Not intended for multidirectional materials made from several unidirectional layers at different angles.