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tphuang

tphuang

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def333 said:

Key Companies & Their T1100 Carbon Fiber Milestones​

  • Shandong Yongcheng New Materials Co., Ltd.: Held the technical appraisal meeting for its "T1100 Grade Ultra - High - Strength Carbon Fiber Industrial Preparation Technology" on July 27, 2025.
  • Weihai Guangwei Composites Co., Ltd.: Completed the development of wet - spun T1100 carbon fiber and passed application verification in 2024; developed dry - jet wet - spun T1100 products that won project assessments in 2025.
  • Sinofibers Technology Co., Ltd.: Its self - developed ZT9H series (equivalent to T1100) has passed aerospace verification (specific time not specified); its kiloton - scale production line supports T800 - T1100 production.
  • Zhongfu Shenying Carbon Fiber Co., Ltd.: Has achieved a full - spectrum breakthrough covering T700 to T1100 grades (specific T1100 achievement time not specified).
  • Changsheng (Langfang) Technology Co., Ltd.: On September 29, 2024, the "Industrial - scale Preparation Technology of Ultra - High - Strength Polyacrylonitrile Carbon Fiber ZA70 (T1100 - grade)" jointly developed by Changsheng Technology and Shenzhen University passed the scientific and technological achievement evaluation organized by the Chinese Composite Materials Society. In September 2025, it achieved the goal of stable mass production of T1100 - grade carbon fiber on the domestic - made kiloton - scale production line.
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Yes, there are quite a few companies that have T1100 products, but getting them into stable production like we have seen with CSST (changsheng) is a different story. In fact, it almost seems like they just bypassed the T1000 product line and going straight for T800G to T1100.

China's chemical/mechanical engineering is evolving fast.
 
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interestedseal

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Very interesting! Since monazite (main mineral source of some rare earth elements) also contains significant uranium and thorium (hence radioactive waste), CNNC had developed tech and infra to extract U and Th from waste product of rare earth production from monazite. Two birds one stone!

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The interaction between China's atomic bomb project and rare earth R&D has directly ensured the breakthrough of nuclear fuel and other related scientific research tasks, meanwhile, it has significantly forced to achieve preeminence in rare earth separation. The impact is profound yet rarely investigated.
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Interesting history on the interaction between fissile material and rare earth extraction/refining tech
 
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tphuang

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https://twitter.com/i/web/status/1982780184261529739

China's deep sea submersible completing mission in the Arctic Ocean with help from its icebreaking mothership.

interestedseal said:
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Very interesting! Since monazite (main mineral source of some rare earth elements) also contains significant uranium and thorium (hence radioactive waste), CNNC had developed tech and infra to extract U and Th from waste product of rare earth production from monazite. Two birds one stone!

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Interesting history on the interaction between fissile material and rare earth extraction/refining tech
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this is great stuff.
 
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