Coatings for optical fibers with polyurethane polymers as the basic ingredient dispersed or dissolved in non-aqueous media, except for coatings for optical fibers with a VOC content of more than 420 g/L in the construction state; coatings for optical fibers with polyurethane ester compounds as the basic ingredient in accordance with the provisions of Note 4 of this chapter, except for coatings with a VOC content of more than 420 g/L in the construction state (the main ingredient is polyurethane acrylate compounds).
