5402592000 聚乙烯长丝纱线(单纱) Filament single yarn of polyethylene(the rupture strength is bigger than or equal to 22cN/dtex, and the initial modulus is bigger than or equal to 750cN/dtex, with a twist exceeding 50 turns/m, not put up for retail sale)
5402612000 聚酰胺-6,6纺制的纱线 Yarn of nylon-6, 6, multiple(folded)or cabled, not put up for retail sale
5402613000 芳香族聚酰胺纺制的纱线 Yarn of aramides, multiple(folded)or cabled, not put up for retail sale