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PSF for Filling

Your Professional PSF for Filling Supplier

 

 

Founded in 2010, Jiangyin Yangxi was established with this humble yet profound purpose.To realize our vision, we explore and promote commercially valuable green products and production technologies through consulting and import-export trade.Initially, we focused on producing polyester fiber from recycled plastic bottles. This versatile and high-capacity fiber addresses the plastic waste problem in a straightforward way. With the growing awareness of environmental issues among consumers in recent years, recycled polyester has become a well-known sustainable textile material.

 

 
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Hollow Conjugate Polyester Staple Fiber

 

Polyester Staple Fiber (PSF) for Filling

Polyester Staple Fiber (PSF) for Filling is a category of polyester fibers specifically developed for filling applications, produced from polyester raw material via a melt-spinning process. These fibers are characterized by high loft (bulkiness), a soft hand-feel, excellent resilience, light weight, and resistance to matting or clumping. They provide a consistent, voluminous effect and a comfortable tactile quality to filled products.
PSF for filling can be customized to meet the requirements of various end-use applications by adjusting parameters such as fiber fineness (denier), staple length, crimp configuration, silicone treatment, and loft performance. Compared to standard fibers, filling-grade PSF places a greater emphasis on volume, softness, and the retention of resilience—making it ideal for home furnishings and toys that require a long-lasting, fluffy appearance.

 

Recycled Polyester Staple Fiber

7DX32mm White

Hollow Conjugated Siliconized

ITEM SPECIFICATION

TARGET VALUE

RANGE

TEST VALUE

Hollowness Test (%)

≥ 16

≥ 16

36.71

Fiber Fineness (Denier)

7.0

7.0-9.0

8.06

Fiber Length (mm)

>32

30-50

33

Number of Crimps per 25 mm

>4

4-15

6

Crimp Index (%)

≥15

≥15

16.18

Elasticity, V1 (CM³/G)

≥140

140-160

148

Elasticity, V2 (CM³/G)

≥45

45-55

50

Fiber specific resistance to electricity (Ω)

≤1010

108-10

productcate-53-20

Content of Fused Fiber/Defect

(Mg/100g)

≤80

≤400

78.6

Moisture Content (%)

≤1.0

0.2-1

0.67

 

 

Features of Hollow Conjugate Polyester Staple Fiber
  1. High Loft: Excellent fiber volume, which enhances the fullness of filled products.
  2. Soft and Comfortable: Features a delicate, soft touch—ideal for home textiles and toys that come into direct contact with the human body.
  3. Good Resilience: Recovers its fluffy shape after compression, minimizing the risk of flattening or sagging.
  4. Lightweight and Durable: Low unit weight, facilitating both transport and the filling process.
  5. Highly Customizable: Specifications, fiber length, fineness, and post-processing methods can be tailored to meet specific application requirements.
  6. Stable Supply: Well-suited for bulk procurement across industries such as home textiles, toys, and household goods.
Hollow Conjugated Siliconized Fiber
 

Material & Process

 

Raw Materials and Process Overview for Polyester Staple Fiber (PSF) for Filling

 

 

The quality consistency of polyester staple fiber (PSF) used for filling depends primarily on the source of raw materials, the control of the spinning process, and the quality inspection system. Depending on the specific application requirements, PSF for filling can be supplied as virgin PET fiber, recycled PET fiber, or a blend of both. During production, key parameters—such as fiber fineness, length, crimp, silicone content, and loft/bulkiness—are precisely controlled to meet specific performance needs.

Raw material source: Virgin PET / Recycled PET

 

 

Raw Material Type

 Source Information Applicable Scenarios

Virgin PET

 Produced primarily from virgin PET chips, the fibers offer stable coloration and excellent batch-to-batch consistency. Well-suited for applications in toys, home textiles, and home furnishing fillings that demand high standards for color, hand-feel, and consistency.
Recycled PET Made primarily from recycled PET, supporting the circular use of resources. Suitable for clients in the filled-products sector who prioritize sustainable sourcing and eco-friendly material solutions.
Hybrid Solution Blend virgin and recycled raw materials according to customer requirements Achieve a balance between performance, cost, and sustainability

Upon arrival at the facility, raw materials undergo inspection and screening—tailored to each specific batch—to ensure stability during the subsequent spinning process and to provide a foundational guarantee for the loft, softness, and resilience of the finished fibers.

Production Line Features

 

 

The PSF (Polyester Staple Fiber) production line for filling applications utilizes a melt-spinning process. The manufacturing sequence includes chip drying, melt extrusion, spinning, cooling and drawing, crimping and heat-setting, silicone treatment, cutting, and baling. The production process can be tailored to meet specific filling requirements, with a focus on controlling the following parameters:

  • Fiber Fineness: Influences tactile softness and loft (fluffiness).
  • Fiber Length: Affects the uniformity of the filling and its suitability for processing.
  • Crimp Morphology: Enhances inter-fiber support, thereby increasing volume and resilience.
  • Silicone Treatment: Improves fiber softness, prevents clumping, and enhances "openability" (ease of fluffing up).
  • Loft/Bulkiness: Determines the fullness and overall user experience of the filled products.
  • Through stable process control, the fibers maintain excellent openability, loft, and resilience retention, making them ideal for use as filling material in items such as toys, cushions, pillows, quilts, and pet beds.

Quality Inspection

 

 

To ensure batch-to-batch consistency, the production process for "PSF for Filling" (polyester staple fiber for filling applications) incorporates multi-stage inspections, covering raw materials, semi-finished products, and finished fibers. Standard testing parameters include:

  • Fineness (Denier): Verifying that the fiber fineness meets specified requirements.
  • Cut Length: Ensuring a consistent cut length to facilitate downstream opening and filling processes.
  • Crimp Frequency and Crimp Retention: Evaluating the fiber’s loft and support capabilities.
  • Breaking Strength and Elongation: Assessing the reliability of the fiber during processing and end-use.
  • Oil/Silicone Content: Influencing softness, antistatic properties, and opening efficiency.
  • Whiteness and Color: Ensuring visual consistency and minimizing color variation between batches.
  • Loft/Bulkiness: Evaluating the volume-filling performance and resilience (recovery).
  • Visual Inspection: Checking for defects such as fused fibers, rigid/hard fibers, impurities, or contamination.
 

Core Strengths of PSF for Filling

 

Polyester Staple Fiber (PSF) for filling applications is optimized for loft, resilience, a soft tactile feel, processing adaptability, and batch-to-batch consistency. It enables manufacturers of toys, home textiles, cushions, pillows, and pet products to enhance the fullness and comfort of their filled goods while improving production efficiency. 

 

High Loft for Superior Fullness

By optimizing fiber crimp morphology and the ratio of fiber fineness, this grade of PSF creates more air pockets between the fibers, thereby increasing overall volume. Compared to standard staple fibers, it delivers greater loft at the same weight, resulting in a fuller appearance for products such as toys, cushions, pillows, and comforters.
 

Excellent Resilience to Minimize Flattening

Resilience is a critical performance metric for filling materials. This PSF recovers its original shape quickly after compression, reducing the risk of flattening or clumping over time. This ensures that filled products retain their aesthetic appeal and tactile quality even after repeated squeezing, folding, or transport.
 

Soft and Skin-Friendly for a Comfortable Touch

The surface of these fibers is specially treated to ensure a soft, delicate feel. They are ideal for products that demand a high-quality tactile experience, including plush toys, decorative pillows, bed pillows, comforters, and home cushions—ultimately enhancing the end-user experience.
 

Superior Opening Properties for Efficient Processing

With excellent opening and dispersion characteristics, these fibers resist clumping, making them highly compatible with fiber-opening machines, stuffing machines, and automated filling equipment. This consistent processing performance boosts production efficiency and helps prevent issues such as clogging, material flow interruptions, or uneven filling.
 

Lightweight for Reduced Transport Costs

Polyester staple fiber (PSF) has a low inherent density, resulting in a lighter finished product. This helps lower packaging and transportation costs. For items such as plush toys, home textiles, and products sold via cross-border e-commerce, lightweight filling materials allow for optimal cost management while maintaining excellent loft and fluffiness.
 

Consistent Quality for Bulk Procurement

Filling applications often require high consistency in terms of fiber hand-feel, whiteness, loft, and length. Through rigorous raw material selection, precise process control, and thorough finished-product testing, our PSF for filling ensures consistent quality across different batches—making it an ideal, reliable choice for long-term procurement in the home textile, toy, home goods, and pet product sectors.
 

Customizable Specifications for Diverse Applications

Fiber fineness, length, crimp, silicone content, and loft properties can be tailored to meet specific product requirements. For instance, fibers for plush toys can be optimized for softness and fluffiness; those for cushions and pillows can be engineered for resilience and support; and fibers for pet bedding can be designed for enhanced durability and structural stability.
 

Sustainable Material Options

In addition to virgin PET fibers, we offer recycled PET (rPET) fiber solutions. This enables clients to incorporate more eco-friendly filling materials into their toys, home textiles, and household goods, helping them meet market demand for sustainable sourcing and greener product alternatives.

Applications Of Hollow Conjugated Polyester Staple Fiber

 

 

1. Apparel: This Fiber Finds Extensive Application In Apparel Manufacturing. It Is Used To Create Lightweight Yet Warm Jackets, Coats, And Vests. Its Breathability And Moisture-Wicking Properties Also Make It Suitable For Sportswear, Ensuring Optimal Comfort During Physical Activities.

 

2. Bedding And Home Textiles: Hollow Conjugated Polyester Staple Fiber Is Widely Utilized In The Bedding Industry. It Is Used In The Production Of Pillows, Comforters, And Mattress Toppers, Offering A Perfect Balance Of Softness And Support. Additionally, It Is Used In Curtains, Upholstery, And Other Home Textiles Due To Its Durability And Easy Maintenance.

 

3. Non-Woven Fabrics: The Unique Properties Of This Fiber Make It An Excellent Choice For Non-Woven Fabric Applications. It Is Used In The Production Of Filtration Materials, Geotextiles, And Automotive Textiles, Owing To Its Strength, Resilience, And Dimensional Stability.

 

Type of Hollow Conjugate Polyester Staple Fiber

 

Hollow-Conjugated-Siliconized-Fiber-(3)

Original hollow conjugated fiber

Using PTA and ethylene glycol as raw materials, it is made by melt direct spinning or PET chip spinning, with a fiber length of 38-64mm and a breaking strength of ≥4.5cN/dtex.

Hollow-Conjugate-Polyester-Staple-Fiber-(4)

Regenerated hollow conjugated fiber

It is made from recycled polyester bottle flakes or textile waste through crushing, cleaning, and melting, reducing costs by 20%-30%.

 

How to use Hollow Conjugate Polyester Staple Fiber

 

Give your pillows the right stuffing with a fiber that is durable. Despite the popular notion about the short lifespan of polyester filling. Hollow conjugated siliconized fiber is long lasting. It can stay in good condition for up to 3 years following proper care and maintenance.

Our company manufactures hollow conjugated fiber in size 3D, 7D, and 15D with a length of 32mm, 51mm, and 64mm. Use 3D fiber for a fine cushy feeling pillow and 15D for a firm pillow. The crimp found in this fiber has a three-dimensional shape that imitates wool. This type of crimp gives a high degree of bulk/loftiness and good thermal insulation.

Most of our product is for home textile and not yarn spinning. The fiber you get is user ready from the factory. You can buy your fiber and create a DIY pillow right at your home. Use hollow conjugated siliconized fiber by stuffing in a pre-sewn pillow form. You can use common options of protector fabric like foam or spun bonded fabric to make pillow forms. Insert the pillow form full of conjugated fiber into a pillow fabric cover.

Pillow sizes vary depending on the use. From small throw pillows of 14by 14inch for couches, standard bed pillows of 20by26inch to large floor pillows. A 5kg package of fiber can make ten to fourteen 14by14 inch pillows or two extra-large floor pillows.

 

Important Tips for Filling

Filling method

The two ways of filling are machine and manual. Yet machine filling is better because it produces a fluffy and uniform pillow.

 

Amount of fiber to use

If the filling is too much pillow tends to be stiff and have low elasticity. The key is to use a medium amount of fiber.

 

The Fill power

Medium fill pillows have exceptional quality and will serve you longer. 600gms and above is medium fill power and a good option. Fill power of over 800 is too rigid.

 

 

 

Our Certifications

 

 

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Inquiries & Sample Requests

 

Looking for a reliable supplier of hollow conjugated polyester staple fiber (PSF)? Contact us today to receive a tailored quote and free samples for testing.
Whether you manufacture stuffed toys and home bedding, or source materials for non-wovens or acoustic insulation, our PSF team is ready to assist you. Simply provide your specific requirements, and we will promptly offer competitive ex-factory pricing along with logistics solutions.

Why contact us now?

 

 

Free Sample Support: Unsure which denier or fiber length best suits your production line? We can send samples for you to test for loft (bulkiness), resilience, and hand-feel.
Customized Production: We offer a wide range of specifications—deniers from 1.2D to 15D and lengths from 32mm to 64mm (or longer)—with options for specialized treatments such as silicone coating or flame retardancy.
Rapid Quote Response: Our international sales team will respond to your inquiry within 24 hours, providing detailed packing specifications and estimated lead times.

Information Required for Inquiries

  • To help us accurately assess your needs, please include the following details in your email or inquiry form:
  • Specifications: Target denier, fiber length, and cross-sectional shape (e.g., cross-shaped, circular).
  • Intended Use: Is it for pillow filling, bedding, plush toys, or industrial applications?
  • Special Requirements: Do you need low-melt (bicomponent) fibers, antibacterial treatment, or specific whiteness standards?
  • Expected Purchase Volume: Are you looking for full container loads (FCL) or less-than-container loads (LCL)?
 

FAQ

 

 

Q: How can I get a sample to check your quality?

A: After price confirmation, you can require samples to check our quality. If you need the samples, we can provide them free of charge, you need to pay shipping cost.

Q: Can I customise the colours?

A: Yes. You can require customizing dyeing, different types with different MOQ, generally small tanks dyeing, 5kg minimum order.

Q: What's your MOQ for OEM order?

A: MOQ for OEM orders is 500KG. We can offer samples for evaluation before ordering.

Q: How could I buy products if there is no price on the website?

A: Buyers need to send required product details via e-mail.Then a reasonable quotation as request would be provided.

Q: What about the lead time for mass production?

A: Honestly, it depends on the order quantity and the season you place the order. But as a professional manufacturer, we can always achieve your deadline.

We're well-known as one of the leading PSF for filling suppliers in China. Welcome to wholesale high quality PSF for filling for sale here and get quotation from our factory. Good service and reasonable price are available.

7D Polyester Staple Fiber, Pillow Filling Material, Hollow Conjugate Polyester Staple Fiber

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