Coil Zippers: Characteristics and Subtypes

Coil zippers, widely used for their flexibility and versatility, have specific features and subtypes that affect their application.

General characteristics of coil zippers

Coil zippers, often called nylon zippers, are made with a continuous spiral of nylon or polyester filament that is sewn onto the zipper tape. This construction makes them very flexible and lightweight.

Key features:

  • Flexibility: An excellent choice for projects with curves, such as knit jackets.
  • Lightweight: Soft and comfortable to wear.
  • Versatility: Widely used in clothing, luggage, furniture, sports equipment, and automotive applications.

Concealed zipper

In concealed zippers, the teeth are completely hidden behind the tape, making the zipper practically invisible once sewn in, except for the small pull tab. The zipper tape is often made of lighter fabric. Their main purpose is to provide a "polished" and uninterrupted look.

Typical applications for concealed zippers:

  • Elegant outfits, evening gowns.
  • Skirts, dresses (side seams).
  • Furniture pillows and duvet covers.

See the difference

Standard zipper

In a standard coil zipper, the teeth are visible on the tape. This is a classic, functional solution that often requires a fabric flap for covering or is intentionally exposed as a design element.

Woven-in S-Tape Zippers vs. Standard Sewn Coil

The evolution of coil zippers reflects the industry's continuous pursuit of increased durability and reliability. Key differences in construction have a huge impact on performance characteristics.

Standard Sewn Coil

Standard Sewn Coil

The teeth are sewn onto the tape with polyester thread. The threads can degrade from UV exposure, and the teeth may separate from the tape—a potential weak point.

Woven S-Type Tape Zipper

Woven S-Type Tape Zipper

In this advanced construction, the tooth elements are integrally woven into the tape's structure. This eliminates the weak point of thread degradation and radically increases durability.

The Advantage and Applications of Woven Construction

  • Increased Durability: Significantly enhanced resistance to stretching, abrasion, and frequent use.
  • Longer Lifespan: Provides greater reliability, especially in demanding applications.
  • High-load Performance: Ideal for high-load applications such as military backpacks, pouches, and waist bags.

Zippers with S-type (woven) tape are ideal for products subject to heavy loads and very frequent opening/closing: high-quality bags, tactical backpacks, outdoor gear, and workwear where reliability is a priority.

Woven S-Type vs Standard sewn coil comparison

Need the perfect zippers? Contact us.

Choosing the right zipper is key to the success of any project — from clothing and bags to furniture upholstery.

At TAF, we understand the importance of quality, durability, and a precise fit. As an experienced zipper distributor, we offer a wide range of metal, plastic, and nylon zippers, available in various sizes and colors.

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