Condensation or rearrangement polymerization products, whether or not chemically modified, n.e.s., in primary forms (excl. poly'oxy-1,4-phenylenesulphonyl-1,4-phenyleneoxy-1,4-phenyleneisopropylidene-1,4-phenylene' in blocks of irregular shape, lumps)
Proizvodi kondenzacije ali preureditvene polimerizacije, kemično modificirani ali nemodificirani, drugi