7019191010
- Glass fibres (including glass wool) and articles thereof (for example, yarn, woven fabrics)
- Slivers, rovings, yarn and chopped strands
- Other
- Of filaments
- Yarn of 33 tex or a multiple thereof (± 7,5 %), obtained from continuous spun-glass filaments of a nominal diameter of 3,5 µm or of 4,5 µm, in which filaments of a diameter of 3 µm or more but not more than 5,2 µm predominate, other than those treated so as to improve their adhesion to elastomers