AuTx
synthetic fibre
AuTx is a terpolyaramide fibre that was developed from 2005 to 2012 by Alchemie Group.
History
The brand name was created by Haslen Back that led the team with the assistance of Kamenskvolokno and Dr Igor Tikhanov at NPO Termotex. It is based on Russian aramid 29.4tex fibre that was modified under program with the US DoD, PEO Soldier led by Dr James Zheng to lighten the weight of the IOTV body armour vest. By 2012 the fragmentation resistant panels made from AuTx were 27% lighter than from Kevlar. A terpolyaramide fibre at 60Tex is now made in the USA by DuPont and sold under the Kevlar EXO brand.
AuTx-FR is a fire-resistant fibre with high thermal stability and a high LOI, and strength at elevated temperatures with minimal thermal degradation. The process of forming AuTx-FR fibres allows the LOI to be varied between 40 and 70, with a trade-off for lesser strength the higher the LOI number is.
The history of AuTx started in 1976 with the creation of the first Russian para-aramid fibres under the name SVM (Super High modulus Fibre). The process of fibre forming was principally different from those used while forming Kevlar and Twaron aramid fibres. The SVM fibre had high strength (190-220 cN/tex), high modulus (75-100 GPa), and high elongation at break (3,0-4,0%).
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The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Dec 22, 2025. The linked authority identifier is Q28455724. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2005, 2012 and 1976.
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This entry incorporates text from “AuTx” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.