Synonyms: Kevlar 49, sru;Kevlar 29, monomer-based;Kevlar 49, monomer-based;Poly(p-phenylene terephthalamide);1,4-Benzenedicarboxylic acid, polymer with 1,4-benzenediamine;25035-37-4;AC1L1XS7;Terephthalic acid, polyamide with p-phenylenediamine (8CI);benzene-1,4-diamine; terephthalic acid;LS-29789;Terephthalic acid, polyamide with p-phenylenediamine;benzene-1,4-dicarboxylic acid - benzene-1,4-diamine (1:1)