BS EN 2559. Aerospace series. Carbon, glass and aramid fibre preimpregnates. Determination of the resin and fibre content and the mass of fibre per unit area|Chemical analysis and testing, Solvent extraction methods, Plastics, Specimen preparation, Pressure testing, Formulae (mathematics), Reinforced materials, Air transport engineering, Carbon, Dimensions, Impregnated materials, Shape, Testing conditions, Reports, Designations, Mathematical calculations, Weight measurement, Determination of content, Heating tests, Carbon fibres, Test equipment, Sample location, Test specimens