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Ultra-Fine Denier Sea-Island Fiber Wholesale

Ultra-Fine Denier Sea-Island Fiber

Introduction to Ultra-Fine Microfiber Technology

The pursuit of the ultimate "soft-hand" feel in textiles begins with the diameter of the fiber. Our ultra-fine denier sea-island fiber is a technological breakthrough that pushes the boundaries of fineness. By increasing the island density within each filament, we enable the production of fibers that, once reduced, are significantly finer than human hair or even standard silk. This extreme fineness is what creates the "writing effect" in premium suede and the luxurious, buttery texture required for high-end electronics wipes and fashion apparel. As a manufacturer specialized in water-soluble technology, we ensure that these delicate islands are separated cleanly in hot water without the clumping or "stiffness" often caused by residual chemicals in traditional processing. This results in a fabric with a vastly increased surface area, leading to better absorption, softer touch, and improved breathability.

Technical Specifications

Property Value
Effective Denier (Post-Reduction) 0.03D - 0.1D
Cross Section High-Density Island-in-Sea
Polymer Composition Polyester/PVA or Nylon/PVA
Softening Point 235°C - 245°C
Moisture Regain 0.4% - 0.8%
Fiber Length 38mm - 51mm (Customizable)

Primary Applications

This tag is specifically targeted toward ultra-premium synthetic suede (Alcantara-style) production for high-end fashion and automotive interiors. The high surface area makes it the gold standard for cleanroom wiping cloths used in semiconductor and optical lens manufacturing, where lint-free, scratch-free performance is mandatory. It is also used in high-density functional filters and specialized medical wipes. In the apparel sector, it is the preferred choice for lightweight thermal layers and luxury synthetic furs that require a realistic, natural drape and sheen that only ultra-fine filaments can provide.

Competitive Advantages

  • Extreme Softness: Delivers a silk-like texture that is impossible to achieve with standard microfibers.
  • High Surface Area: Enhances cleaning efficiency and dye absorption, leading to richer, deeper colors.
  • Zero Residue: The water-soluble sea component leaves no chemical residue, ensuring the fiber is safe for sensitive skin and delicate surfaces.
  • Breathability: The ultra-fine gaps between fibers allow for superior air and moisture vapor transmission.

Payment & Shipping Terms

Standard shipping is available via 20GP or 40HQ containers from Ningbo Port. We accept payment through T/T, L/C, and D/P. For specialized ultra-fine denier orders, we recommend a minimum order quantity (MOQ) of 5 tons to ensure color and tenacity consistency. Samples are available for quality testing via international couriers (DHL/FedEx). Each bale is strictly inspected for denier uniformity before vacuum packaging to ensure volume efficiency in shipping.

  • Q: What is the benefit of water-soluble sea vs. alkali-soluble?
  • A: Water-soluble sea (PVA) allows for a 100% eco-friendly extraction. It avoids the use of caustic soda, which can damage the "islands" and reduce the softness of the final product.
  • Q: How do I calculate the final denier after water reduction?
  • A: Our technical team provides a reduction ratio chart (typically 20-30% weight loss) to help you calculate the exact final fabric weight.
Ningbo Hengqide Chemical Fiber Technology Co., Ltd.

About Us

Ningbo Hengqide Chemical Fiber Technology Co., Ltd. is located in Qianwan New Area and is a technology innovation company specializing in the production of water-soluble island fibers.

As China Ultra-Fine Denier Sea-Island Fiber Manufacturers and Custom Ultra-Fine Denier Sea-Island Fiber Suppliers, the company focuses on combining with the major strategic needs of the country, taking green production as its responsibility. In response to the safety hazards and environmental unfriendly pain points such as large emissions of waste gas and waste in the subsequent production processes of sea island fiber microfiber benzene reduction and alkali reduction, after nearly a decade of dedicated research and development, the company has reshaped the synthesis of ultra-fine fiber materials, innovated the production process of microfiber leather, and successfully invented fully water-soluble sea island fiber.

Water soluble sea island fiber is currently the only technology in the world that uses pure water to reduce and open fibers. The fiber non-woven fabric produced uses a water-based resin immersion water solidification process and completes the reduction process with 95 ℃ hot water, which can effectively separate the sea island (polyvinyl alcohol) component in the fiber. From fiber production to bass process, no harmful chemicals are used, and no harmful substances such as toluene are produced DMF、 Substances such as phthalic acid that cause pollution to the environment should be recycled for water resources and PVA (marine materials) should be recycled and reused. At the same time, it ensures that the physical properties of the microfiber remain intact after water reduction, resulting in brighter and more vibrant colors and better color fastness of the yarn. This revolutionary technology truly achieves comprehensive green coverage from raw materials to finished products, fully demonstrating the practical quality and efficient environmental value of water-soluble island fibers.

  • Customized Service
    The R&D team can provide customized services for different molds to meet the diverse needs of customers.
  • Customized
    We have a strong R&D team,and we can develop and produce products according to the drawings or samples the customers offered.
  • Cost
    We have two our own casting foundries and one CNC machining factory.So we can offer the price and products directly.
  • Quality
    We have our own testing lab and the advanced and complete inspection equipment,which can ensure the quality of the products.
  • Diversity
    We have water reduction, water-based polyester process, acupuncture process, can meet the different needs of customers.
  • Capacity
    Our annual production capacity is over 20000 tons,we can meet the needs of different customers with different purchase quantity.

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