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Defining New Standards in Flame-Resistant Protection

In the field of industrial protection, the upper limit of fabric performance defines the lower limit of life protection. Yudun has assembled an R&D team with multidisciplinary expertise spanning textile engineering, polymer materials, and chemical engineering, dedicated to creating high-performance products that exceed standard requirements for our customers.

  • ZHANGJIAGNAG CITY YUDUN SPECIAL FIBER CO., LTD.
    Aramid Blending

    Overcame the spinning challenges of poor cohesion and high static electricity in high-performance fibers, achieving precise control of blending ratios to ensure consistent performance in mass production.

  • ZHANGJIAGNAG CITY YUDUN SPECIAL FIBER CO., LTD.
    Permanent Flame-retardant Finish

    We optimize the flame-retardant formulation and process parameters to achieve molecular-level bonding between the flame-retardant component and the fiber, maintaining a stable flame-retardant performance even after multiple industrial wash cycles.

  • ZHANGJIAGNAG CITY YUDUN SPECIAL FIBER CO., LTD.
    Composite Technology

    We master the balance between interlayer bonding strength and fabric softness in multilayer materials, achieving integrated functionality that combines flame resistance, waterproofing and thermal insulation.

Formula Development
  • 1 Fire Protection Scenario

    Developed multi-functional fabric formulas that integrate flame retardancy, anti-static performance and molten metal splash resistance in one material.

  • 2 Oilfield Scenario

    Developed composite formulas with arc resistance and acid & alkali corrosion resistance, perfectly adapting to high-temperature and harsh oilfield operating environments.

  • 3 Welding Scenario

    Optimized the fabric’s resistance to molten metal splash. The fabric remains intact with no penetration after repeated splash tests.

ZHANGJIAGNAG CITY YUDUN SPECIAL FIBER CO., LTD.
Innovation Breakthroughs
  • Optimized the fiber thermal shrinkage control process under high-temperature conditions, greatly improving the dimensional stability of fabrics.
  • Improved the post-treatment process for acid and alkali resistance, extending the effective protection cycle of fabrics in corrosive working environments.
  • Redesigned the fabric weave structure, effectively enhancing fabric air permeability and softness while maintaining the original protection level unchanged.