TARIC 7019.63.00.30 — E-fibre glass fabrics: - having a weight of 20 g/m² or more, but not more than 214 g/m², - surface treated with an organosilane coupling agent, - in rolls, - having a humidity content by weight of 0,13 % or less, and - having not more than 3 hollow fibres out of 100 000 fibres, for the exclusive use in the manufacture of prepregs and copper clad laminates | TariffCodex