DB35/T 1641-2017
HG/T 5471-2018
Resin methyl methacrylate-butadiene-styrene (MBS)
HG/T 5471\uff5e5473-2018
ISO 1833-21:2019
Textiles — Quantitative chemical analysis — Part 21: Mixtures of chlorofibres, certain modacrylics, certain elastanes, acetates, triacetates with certain other fibres (method using cyclohexanone)
EN ISO 1833-21:2019