1,4-Benzenedicarbonyl dichloride, polymer with 1,4-benzenediamine benzene-1,4-diamine; benzene-1,4-dicarbonyl chloride para-Phenylenediamine terephthalic acid chloride copolymer, Para-aramid polymer; poly-(p-phenylenediamin-terephtalamide), Polyparaphenyleneterephthalamide fibre 0,75-1,05 mm lenght, Poly-paraphenylene terephthalamide