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China – Textile Standard GB/T 4146.1-2020 Approved to Replace 2009 Version

The Standardization Administration of the People’s Republic of China recently released announcement No.22 of 2020, which included an update that GB/T 4146-2020 “Textiles—Man-made fibers—Part 1: Generic names” has replaced the 2009 version. It will be effective on May 1, 2021.

The new version includes many updates to the old version, with the key technical differences as follows:

  1. Added terms and definitions of “man-made fibre/ chemical fibre”.
    Man-made fibre/ chemical fibre: Fibres which are made by man, except natural fibres.
  2. Added generic name, symbol, main characteristic and chemical formula to 12 kinds of chemical fibres, including:
    Modacrylic, chitosan, melamine, protein, trivinyl, polybenzimidazol, elastomultiester, polyamidoester, silicon carbide, polyhydroxy, polycarbamide and polyarylate.
  3. Polyvinyl alcohol fibres are divided into acetal and non-acetal types, specified vinylon is short for polyvinyl alcohol fibre.
    • 聚酯/聚酯复合纤维:Polyester/polyester bicomponent
    • 聚乙烯/聚丙烯复合纤维:Polyethylene/polypropylene bicomponent
    • 聚丙烯/聚酰胺复合纤维:Polypropylene/polyamide bicomponent
    • 聚酯/聚酰胺复合纤维:Polyester/polyamide bicomponent
    • 聚乙烯/聚对苯二甲酸乙二醇酯复合纤维:Polyethylene/polyester bicomponent
  4. Added the name of bicomponent composite fibre, such as:
  5. Added 4 informative annexes, including:
    • Annex A: Suggested rules for establishing generic names
    • Annex B: Composite fibre
    • Annex C: Modified fibre
    • Annex F: Requirements for generic names in related region and state

The generic names for chemical fibres in the new standard are shown in the following table:

Chinese name English name Chinese name English name Chinese name English name
铜氨纤维 cupro 聚酰胺纤维 polyamide 聚脲纤维 polycarbamide
莱赛尔纤维 lyocell 聚酯纤维 Polyester 三乙烯基纤维 trivinyl
莫代尔纤维 modal 聚乙烯纤维 polyethylene 聚苯并咪唑纤维 polybenzimi-dazol
粘胶纤维 viscose 聚酰亚胺纤维 polyimide 聚酯复合弹性纤维 elastomultiester
醋酯纤维 acetate 聚丙烯纤维 polypropylene 陶瓷纤维 ceramic fibre
三醋酯纤维 triacetate 玻璃纤维 glass fibre 甲壳素纤维 chitin
海藻纤维 alginate 聚乙烯醇纤维 vinylal 壳聚糖纤维 chitosan
聚丙烯腈纤维 acrylic 碳纤维 carbon fibre 超高分子量聚乙烯纤维 ultra-high molecular weight polyethylene
芳香族聚酰胺纤维 aramid 金属纤维 metal fibre 聚酰胺酯纤维 polyamidoester
含氯纤维 chlorofibre 聚乳酸纤维 polylactide 碳化硅纤维 silicon carbide
聚氨酯弹性纤维 elastane 聚烯烃弹性纤维 elastolefin 聚羟基脂肪酸酯纤维 polyhydroxy
二烯类弹性纤维 elastodiene 三聚氰胺纤维 melamine 聚芳酯纤维 polyarylate
聚四氟乙烯纤维 fluorofibre 聚苯硫醚纤维 polyphenylene sulphide 金属镀膜纤维 metallized fibres
改性聚丙烯腈纤维 modacrylic 再生蛋白质纤维 protein

For additional information please contact:

Shanghai
Ms. Mariana Yang
Tel: +86 21 5339 7527
mariana.yang@intertek.com

Guangzhou
Ms. Liu Hui Li
Tel: +86 20 2820 9274
huili.liu@intertek.com

Tianjin
Ms. Linda Zhang
Tel: +86 22 2385 7393
linda.zhang@intertek.com

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