What are "Hollow Filament Fibers" - Definition & Explanation
Last Updated on: 09-Jun-2024 (1 month, 9 days ago)
Share on FacebookShare on Twitter
Hollow Filament Fibers
Hollow filament fibers are a type of synthetic textile fiber characterized by a tubular structure with an empty interior. Unlike solid fibers, which have a continuous cross-section, hollow filament fibers have a hollow core that runs along the length of the fiber. This unique construction provides distinct properties and advantages in various textile applications.

The hollow structure of these fibers offers several key benefits. Firstly, it provides excellent insulation properties. The empty interior acts as a barrier against temperature transfer, making hollow filament fibers ideal for thermal insulation in garments and home textiles. The trapped air inside the hollow core serves as a thermal buffer, helping to retain body heat or block external cold air, depending on the desired application.

Secondly, the hollow structure imparts lightweight characteristics to the fibers. Hollow filament fibers are lighter than solid fibers of comparable size, making them suitable for lightweight fabrics and garments. The reduced weight contributes to enhanced comfort, ease of movement, and improved breathability, as they allow air to circulate more easily through the fabric.

Another advantage of hollow filament fibers is their moisture-wicking properties. The hollow core acts as a capillary system, allowing moisture to be absorbed and transported away from the skin or the fabric's surface. This feature makes them suitable for moisture management applications, such as sportswear, outdoor apparel, and performance textiles.

Hollow filament fibers find applications in a wide range of industries, including apparel, home textiles, outdoor gear, and automotive textiles. Some of the top users and manufacturers of hollow filament fibers include leading textile companies and brands specializing in functional and performance fabrics.

One notable company in this field is Polartec, a prominent manufacturer of performance fabrics. Polartec produces a variety of innovative textiles, including fleece and insulation materials, utilizing hollow filament fibers for their thermal efficiency and lightweight properties. Their fabrics are used in outdoor apparel, sportswear, and military applications.

Another key player in the hollow filament fiber industry is PrimaLoft, known for its high-performance insulation materials. PrimaLoft utilizes hollow core technology to create lightweight, breathable, and water-resistant insulation fibers that are widely used in outerwear, sleeping bags, and other outdoor gear.

In addition, several major outdoor apparel brands incorporate hollow filament fibers in their product lines. Companies like The North Face, Patagonia, and Arc'teryx utilize these fibers in their jackets, pants, and other performance garments to provide warmth, comfort, and moisture management.

The automotive industry also utilizes hollow filament fibers in applications such as seat covers, headliners, and interior textiles. These fibers offer benefits such as reduced weight, improved thermal insulation, and enhanced air circulation within the vehicle's interior.

Overall, hollow filament fibers offer unique properties that make them desirable for various textile applications. Their lightweight nature, thermal insulation capabilities, moisture-wicking properties, and breathability contribute to improved performance and comfort in textiles. With ongoing advancements in fiber technology, the use of hollow filament fibers is likely to expand further, catering to the growing demand for functional, high-performance textiles in different sectors.
Hollow Filament Fibers
Manufactured, continuous filament fibers that have a center void, which has been created through the introduction of air or other gas in the polymer solution, or by melt spinning through specially designed spinnerets during production.

Some more terms:

The World of Staple Fibers: The Fabric Building Blocks

Short fibers, typically ranging from 1/2 inch up to 18 inches long. Wool, cotton, and flax exist only as staple fibers. Manufactured staple fibers are cut to a specific length from the continuous...

Read about Staple Fibers


A technique of altering yarns to make them fluff, curl, or crimp up to give them a bulked appearance. High bulk yarns are sometimes made by combining high shrinkage staple components with low...

Read about Bulking

Bomber Jacket

A loose, zippered jacket with fitted waist and cuffs, resembling those worn by American bomber pilots in World War II. Can be made from nylon, woven blends or leather. Usually has a fur or pile...

Read about Bomber Jacket


Silk, cotton, rayon, or synthetic fibers in a gauze or lino weave that is a very lightweight, open, sheer, or mesh fabric. Wears very well and launders very well. Typically has a swivel dot or clip...

Read about Marquisette

All Over Print

All Over Print (AOP) is a textile printing technique that involves covering the entire surface of a fabric with a design or pattern. Unlike traditional printing methods that focus on specific areas...

Read about All Over Print

Jute, the Golden Fiber: Unraveling the Secrets of Jute

The Versatility of Jute: Exploring Its Origins, Types, and Handling TipsJute, often referred to as the "golden fiber," is a versatile and eco-friendly natural fiber derived from the stem of the jute...

Read about Jute


In the realm of textiles, the term "twist" refers to a fundamental characteristic of yarn and thread. It denotes the spiral arrangement of fibers around a central axis, resulting in the formation of...

Read about Twist

Finished Goods

Fabric that has been processed by dyeing, printing, applying of special resins and finishes, and is ready for market. Finishing: The process of dyeing, printing, etc.. of greige goods. Finishing...

Read about Finished Goods

Add a definition

Add a definition for a textile term that you know about! Send us an email & tell us:
  • The term you want to define
  • Its definition in 500 words or less
  • Attach an image if necessary.
  • Optionally, tell us about yourself in 200 words or less!

Companies for Hollow Filament Fibers:

If you manufacture, distribute or otherwise deal in Hollow Filament Fibers, please fill your company details below so that we can list your company for FREE! Send us the following details:
  • Company name
  • Company address
  • Attach a logo, if necessary.
  • Optionally, tell us about yourself in 200 words or less!

Did you know this fact? Turkey is a major producer of technical textiles and nonwovens.
(s) 2024 TextileGlossary.com Some rights reserved. • Sitemap