Hollow Non-Conjugated Polyester Staple Fiber: Siliconized vs. Dry
Siliconized (Slick): Coated for a “feather touch.” Fibers slide easily, preventing clumps—perfect for luxury pillows, quilts, and soft padding.
Dry (Non-Siliconized): A high-friction surface that helps fibers interlock. Essential for spinning yarns and high-density fabrics where a firm bond is needed.
PRODUCT DETAIL
Hollow Non-Conjugated Polyester Staple Fiber: Siliconized vs. Dry
In the manufacturing of textiles and industrial non-wovens, the performance of a product is often determined by the fiber’s surface finish. Hollow Non-Conjugated (HNC) Polyester Staple Fiber is a versatile material that provides a straighter, high-tenacity alternative to conjugate fibers. Depending on your specific production requirements, this fiber can be supplied with either a Siliconized (slick) finish or a Dry (high-friction) finish.
At VNPOLYFIBER, we supply these high-quality fibers made directly from PTA and MEG or from recycled PET/Polyester waste and post-consumed PET bottles. Understanding the difference between these two finishes is essential for optimizing your production line efficiency and final product quality.
1. Siliconized vs. Dry: Technical Comparison
While both fibers share a hollow longitudinal structure, their surface treatments serve very different industrial goals:
Siliconized (Slick) Finish: The fiber is coated with a premium silicone emulsion. This makes the fiber “Slick” and soft to the touch. It reduces fiber-to-fiber friction, allowing the filaments to slide past each other easily. This is the “feather touch” required for luxury pillows, high-grade quilts, and apparel padding.
Dry (Non-Siliconized) Finish: This fiber has a high-friction, “harsh” surface. Without the silicone coating, the fibers interlock more effectively. This is the technical requirement for spinning yarns and creating high-density non-woven fabrics where the fibers must bond together firmly through needle-punching or heat-bonding.
2. The 5 Strategic Advantages of HNC Fiber
Whether you choose a siliconized or dry finish, Hollow Non-Conjugated PSF from VNPOLYFIBER offers five key strategic advantages:
Superior Dimensional Stability: It does not warp; it neither stretches nor shrinks. It possesses a resilience that ensures your final product maintains its shape over long-term use.
Excellent Material Synergy: It can be combined with other materials such as cotton, wool, or viscose. This increases the quality of the final product, allowing you to blend the natural feel of cotton with the durability of polyester.
Lightweight Strength: The hollow construction makes the fiber light and soft, yet it remains a solid and durable material. By trapping air, it provides 20% more warmth than ordinary solid fiber.
Hygroscopic Protection: It absorbs less moisture, which allows it to repel fungus, mold, and bacteria. This inhibits the generation of bad odors, ensuring a more hygienic environment for home textiles.
Brilliant Color Retention: Polyester garments usually have brighter and more durable colors. For this reason, the offer of textiles for shirts, blouses, and dresses is composed mostly of polyester.
3. Manufacturing Excellence and QC at VNPOLYFIBER
The production of our Hollow Non-Conjugated fiber is a sophisticated polymerization process performed at high temperature and pressure. After the spinning and drawing process, the polymer becomes staple fibers when cut short into lengths ranging from 32mm to 76mm.
VNPOLYFIBER can support your sourcing because we go beyond simple manufacturing. We have the best QC team in the region to monitor denier consistency, cut length accuracy, and finish quality. Our expertise in the supply chain ensures that whether you are sourcing from Vietnam or China, your material meets GRS and OEKO-TEX standards every time.
4. Direct Applications
Siliconized Applications: Ideal for fill pillows, stuffed toys, cushions, premium padding for winter jackets, and high-loft bedding.
Dry Applications: Specifically used for spinning yarns, making geotextiles, civil/construction materials, and various non-woven fabrics through needle-punch compression.
Conclusion: Partner with VNPOLYFIBER
Choosing the right finish—Siliconized or Dry—is critical for your manufacturing success. At VNPOLYFIBER, we provide the technical expertise and supply chain transparency you need to make the right choice. From automotive interiors to premium bedding, we ensure your raw materials are technically superior and environmentally responsible.
Technical Parameter
Polyester Staple Fiber used in Non-woven Industry
| Luster | Denier | Cross Section | End-Use |
| SD | 1.5, 1.7, 2, 3, 4, 6 & 15 | Solid | Nonwoven Interlining, Sanitary Material, Microfiber and Thermal Bonding |
| FBR (Black) | 1.5, 1.7 & 3 | Solid | Needlepunch, Resin Bonding & Fiberfill |
| SD | 1.5 & 4.5 | Solid | Dyeable Fabric & High-Pile |
| SD | 6, 8 & 15 | Hollow and Hollow-Siliconized | Resin Bonding, Needlepunch, Fiberfill, Flame Retardant Fabric, Anti Bacteria & Platinum Photon Fiber |
| SD, BR,OBBR | 0.7, 1.1, 1.2, 1.4, 2.0, 6, 8, 12, 15 & 20 | Solid | Low Pilling, Knitting, Fiberfill, Thermal Bonding, Needlepunch, Infrared Fiber & Resin Bonding |
| SD | 2, 3, 4.5, 7, 12 & 15 | Hollow Conjugate | Resin Bonding, Needlepunch & Fiberfill |
| SD | 7 | Hollow Conjugate | Anti-Bacteria |
Polyester Staple Fiber as per Direct End Use
| Type | Denier | Section | End Use |
| Anti Pilling | 1.4, 1.5, 2, 2.5 & 3 | Solid & Hollow | Sportswear, Underwear, Casual wear |
| Bamboo Charcoal | 1.5, 1.7 & 6 | Hollow | Bedding, Shoe pad, Cushion, Thermal Sock |
| Spinning Use | 1.3, 1.4, 1.5 & 1.7 1.5 | Solid Hollow | Sportwear, Casual Wear, Underwear |
| Dopedyed Black | 1.5, 2 & 3 | Solid | Nonwoven, Casual wear, Sport wear, Underwear |
| Flame Retardant | 1.4 | Solid | Home, Comfort & Clothing textiles |
| Micro Fiber | 0.8 – 1.0 | Solid | Cloth & Fleece |
| High Tenacity | 1.2 | Solid | Yarn, Cloth & Water transport |
| High Void Conjugate | 3, 7, 12 & 15 | Hollow | Toy Padding, Badding, Furniture Cushion, etc |
| Regular Fiber | 2, 2.5, 3, 6 & 15 | Solid | Nonwoven, Filter medics, Padding, etc. |
FAQ
1. What do you offer?
We supply a comprehensive range of fibers, including recycled hollow conjugated (both siliconized and non-siliconized) polyester staple fiber, hollow fiber, microfiber, virgin polyester staple fiber, and low-melt fiber.
2. What is it used for?
Our fibers are versatile and widely utilized across both the filling and non-woven industries, providing essential loft, durability, and texture for various consumer and industrial applications.
3. Are you a factory or a trading company?
We are primarily a manufacturer specializing in polyester staple fiber with years of industry expertise. To better serve our clients, we also operate a dedicated trading division that allows us to act as a one-stop solution provider.
In addition to our own fiber production, we source high-quality textile components (such as yarn and low-melt fibers) and finished goods (including foam, pillows, cushions, toys, and down/feather products) to ensure our customers have access to a comprehensive supply chain.
4. Where is your factory location?
To maintain a robust and flexible global supply chain, our manufacturing facilities are strategically located throughout Asia, specifically in Vietnam, China, Malaysia, Thailand, and Indonesia. If you would like to visit one of our sites, please contact your sales representative, and we will be happy to arrange transportation for you.
5. Can you accept free sample?
Yes, we provide free hand samples for quantities under 1 kilogram. Once a price is confirmed, we can prepare and dispatch your sample within 2–3 business days. Please note that while the sample is free, the freight costs are the responsibility of the client.
6. Can you provide ODM service?
Absolutely. We specialize in ODM (Original Design Manufacturing). This means we can customize the material composition, dimensions, quantity, packaging, and branding to meet your specific requirements. Your logo and unique specifications will be integrated into the final product.
7. How about your quality? What’s the minimum order Quantity (MOQ)?
We invite you to place a trial order to experience our quality firsthand. Our standard MOQ is 23,000 kilograms per order.
Regarding pricing, we maintain a no-bargain policy. We believe in transparency and efficiency, so we provide our most competitive offer upfront to save you time and ensure a straightforward procurement process.
8. Can I mix different items in one order?
Yes, for your convenience, we allow for a maximum of two different items to be mixed within a single container.
9. How can you guarantee the product quality?
Quality is the cornerstone of our business. We employ an experienced QC team that monitors every stage of production, from raw material inspection to the final manufacturing process. We utilize a range of advanced testing instruments to ensure our fibers meet strict industry standards.
Our business philosophy is simple: We aim to serve one customer 1,000 times, rather than 1,000 customers once. We prioritize long-term partnerships built on consistent excellence.
10. What’s the payment terms?
L/C at sight, 30% TT in advance are mostly accepted; other terms shall be negotiable by both sides
For more information, please feel free to contact :
Tony Tan
Mobile number: +84 90 466 5251 (Whatsapp/Wechat/Viber/Signal)
