The Combined Nomenclature (CN), v1:2018
7019: Glass fibres, incl. glass wool, and articles thereof (excl. mineral wools and articles thereof, optical fibres, fibre bundles or cable, electrical insulators or parts thereof, brushes of glass fibres, dolls' wigs)
https://www.dst.dk/en/Statistik/dokumentation/nomenklaturer/kn?id=bdccfab4-a71c-4f32-8b96-d3d9ed56013c