2023UNE-EN 2559:2022 Aerospace series - Carbon, glass and aramid fibre preimpregnates - Determination of the resin and fibre content and the mass of fibre per unit area (Endorsed by Asociación Española de Normalización in January of 2023.)
1997UNE-EN 2559:1997 AEROSPACE SERIES. CARBON FIBRE PREIMPREGNATES. DETERMINATION OF THE RESIN AND FIBRE CONTENT AND THE MASS OF FIBRE PER UNIT AREA.