How Yarn is Made: Spinning & Blending

Kunal Goel. · June 25, 2025

How Yarn is Made: Spinning & Blending

After fibres are collected — whether from cotton fields, sheep farms, or chemical processes — they must be turned into something usable: yarn. Yarn is the thread-like strand that is later woven or knitted into fabric. This blog will walk you through the spinning process, explain yarn types, and show how blending helps combine the best qualities of different fibres.

Yarn

Yarn is a long, continuous length of interlocked fibres. It acts as the foundation of fabric making — without yarn, you can’t weave or knit textiles.

How Yarn is Made?

Fibre preparation

Before spinning, fibres need to be:

  • Cleaned (removing dirt, seeds, oil, or wax)
  • Carded (combed and aligned)
  • Drawn out (pulled into a long sliver for spinning)

In silk production, yarn comes from directly unwinding the cocoon — no carding needed.

Spinning

Spinning is the process of twisting the fibres together to create strength and form a usable strand. There are two major spinning methods:

A. Ring spinning (traditional & high quality)

  • Produces fine, soft yarn
  • Ideal for cotton, viscose, and natural fibre blends
  • Used in premium fabric

B. Rotor or open-end spinning (faster & cheaper)

  • Makes coarser yarn
  • Common in budget fabrics or denim

Types of Yarn

  • Single yarn — one strand of twisted fibres
  • Plied yarn — two or more single yarns twisted together for durability
  • Core-spun yarn — a strong core (like spandex) wrapped in softer fibre (like cotton) for stretch fabrics

Yarn Blending: Mixing Fibres for Better Performance

Blend Reason
Cotton + polyester Softness + wrinkle resistance
Wool + nylon Warmth + durability
Viscose + spandex Drape + stretch
Linen + cotton Breathability + reduced stiffness

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