3D Recycled PET Composite Hollow Staple, with silicone oil Fluffy Resilient Fiber for Nonwoven Filter

Regenerated composite hollow fiber (with silicone oil)
3D*32MM
------------------------------------------
Specifications can be customized

Detailed Product Description

The 3D*32MM silicone-finished recycled composite hollow staple fiber addresses key pain points in sustainable textile production. As brands increasingly require GRS-certified raw materials to meet environmental regulations and consumer demand, ordinary recycled single-layer hollow fibers often suffer from poor crimp memory, high fly and inconsistent processability on high-speed lines. Virgin composite hollow fibers deliver reliable performance but come with higher cost and higher carbon footprint.

This product balances sustainability, processability and value. Its composite bi-component spinning structure creates a permanent 3D spiral crimp with excellent shape memory, so the fiber maintains its loft and resilience through carding, spinning and end use. This is a significant upgrade over standard single-layer recycled hollow fibers, which tend to lose crimp and flatten during processing.

The controlled silicone surface finish is engineered for high-speed manufacturing. By reducing fiber-to-fiber friction, it improves fiber flow through openers, cards and spinning frames, resulting in fewer end breaks, less fly waste and smoother production runs. This is especially beneficial for fine denier spinning and high-speed nonwoven lines where process consistency is critical.

At 3D fine denier and 32mm short staple length, it is optimized for fine textile and nonwoven applications. It produces soft, uniform yarns with low hairiness and smooth nonwoven webs with consistent density, meeting the quality standards of premium textile and hygiene products.

Manufactured under GRS-compliant management systems with full traceability, every batch undergoes strict testing for denier tolerance, length uniformity, crimp stability, oil content and tensile strength to ensure consistent performance. We supply in bulk with stable stock, and support customization of denier, length, oil content and functional modifications such as anti-bacterial or flame retardant treatment. Samples are available for spinning trial, process evaluation and performance testing before placing bulk orders.

Application Scenarios

Fine Yarn & Textile Spinning High-count blended yarns, knitted fabric yarns, hosiery yarns and sewing threads. Fine denier and silicone finish produce smooth, even yarns with low hairiness, suitable for fine knitted and woven fabrics.

Hygienic & Industrial Nonwovens Wet wipe substrates, face mask fabrics, filter media, sanitary nonwovens and medical textile materials. Uniform fiber web formation and consistent performance meet the quality requirements of hygienic and industrial nonwoven products.

Precision Filling & Plush Toys Small plush toys, precision cushion filling, garment padding and delicate stuffed products. Fine denier and 32mm short length allow uniform, fine filling without lumps, delivering soft, consistent hand feel.

Garment Lining & Interlining Thermal linings, interlining waddings and lightweight garment insulation. Hollow structure provides lightweight warmth, and silicone finish ensures smooth processing into thin, uniform lining layers.

Picture details

Specification Table

Core Features & Benefits

✅ GRS-Certified 100% Recycled PET, Traceable & Low-Carbon Produced from traceable post-consumer PET bottle flakes and certified to the Global Recycled Standard (GRS), it reduces plastic waste and carbon footprint compared to virgin polyester fibers. It supports brands in meeting ESG targets, eco-labeling requirements and sustainable procurement policies.

✅ Composite Hollow 3D Crimped Structure, Durable Resilience & Loft The composite bi-component structure creates a permanent three-dimensional spiral crimp with strong crimp memory. It delivers consistent fluffiness, compression recovery and air-trapping warmth, maintaining stable performance through processing and end use, better than ordinary single-layer hollow recycled fibers.

✅ Optimized Silicone Finish, Smooth Processing & Low Fly A controlled silicone lubricant coating is applied to the fiber surface to reduce inter-fiber friction. This enables smoother feeding and processing on high-speed spinning, carding and nonwoven lines, with less fiber breakage, fly and tangling, improving production efficiency and reducing material waste.

✅ 3D Fine Denier + 32mm Short Staple, Optimized for Fine Textiles 3D fine denier delivers soft, delicate yarns and uniform nonwoven webs, while the 32mm short staple length is specially optimized for ring spinning, air-jet spinning and fine nonwoven processes. It produces even, low-hairiness yarns and smooth, consistent fabric surfaces.

✅ Stable Batch Consistency, Reliable Mass Production Strict in-process quality control ensures uniform denier, length, crimp and oil content across every production batch. Consistent processing performance reduces downtime and quality variation, supporting stable high-volume manufacturing for industrial customers.

✅ Versatile End Uses, Cost-Effective Virgin Alternative Matches virgin composite hollow fiber in core processing and performance metrics at a more competitive cost. Suitable for fine yarn spinning, hygienic nonwovens, filter media, precision toy filling and garment linings, covering a wide range of textile and industrial applications.

FAQ

Q1: Is this fiber GRS certified? Can you provide certification documents? A: Yes, it is manufactured from 100% traceable post-consumer PET and certified to the Global Recycled Standard (GRS). Full certification documentation and transaction certificates are available upon request to support your sustainable sourcing and export requirements.

Q2: What does silicone-finished mean? Will it affect dyeing or bonding? A: Silicone-finished means a controlled amount of silicone lubricant is applied to the fiber surface to reduce friction for smoother processing. It is formulated for standard textile processing and is compatible with most dyeing systems. For bonding-heavy applications such as spray-bonded wadding, we recommend our silicone-free version instead.

Q3: Is this fiber suitable for ring spinning and air-jet spinning? A: Yes. The 3D fine denier and 32mm short staple length are specifically optimized for ring spinning, air-jet spinning and other mainstream spinning processes. The silicone finish reduces end breakage and fly, supporting efficient high-speed yarn production.

Q4: How does it compare to virgin composite hollow fiber? A: It matches virgin composite hollow fiber in key performance metrics including crimp resilience, processability and yarn quality. The main differences are its 100% recycled origin, lower carbon footprint and more competitive pricing, making it a high-value sustainable alternative.

Q5: Can it be blended with other fibers like cotton or viscose? A: Yes. It blends evenly with cotton, viscose, modal, regular polyester and other fibers at various ratios to adjust yarn softness, strength, functionality and cost according to product requirements.

Q6: Will the crimp hold up through washing and use? A: Yes. The composite bi-component structure creates permanent 3D crimp with strong memory. It maintains good resilience and loft through repeated washing and normal use, better than ordinary single-layer hollow recycled fibers.

Q7: Can we get samples for spinning trials before bulk order? A: Yes, samples are available for hand feel evaluation, spinning trial, nonwoven processing test and performance verification. Please contact us to request sample details and specifications.

Q8: What is the lead time for bulk orders? A: Standard specifications are generally shipped within 3–7 working days for stock items. Custom specifications and functional modifications usually take 7–15 working days after deposit confirmation, depending on order quantity.