Woollen Spun Yarn

 

Wool is a natural fibre composed of proteins, as it comes from the fleece of sheep. Each sheep has various grades of fleece found in their coat with the highest-grade fibres being found on the sides, shoulders, and back, while the lowest grade are found on the lower legs.


Microscopic view of cuticle cells of wool fibre

Wool could be sourced from the fleece of sheep and other animals. These include cashmere from goats, mohair from rabbits and other types of wool from camellias, musk ox, Angora rabbit, vicuna, guanaco, pashmina and alpaca. Wool has some special qualities which distinguish it from hair or fur. The best quality wool comes from merino sheep (Merino wool), found in Australia.

Woollen yarn is a type of yarn made from carded wool. Woollen yarn is soft, light, stretchy, and full of air. It is thus a good insulator and makes a good knitting yarn.

Woollen yarn is contrasted with worsted yarn.

The difference between worsted-spun and woollen-spun yarns lies in how the fibre is handled before the actual spinning. The fibres of a worsted-spun yarn are first straightened and then oriented in the same direction, making the yarn smooth and shiny, which gives your knitted fabric lots of stitch definition.

On other Hand, Woollen Spun Yarn, are not straightened; the individual fibres lie in all directions, creating a yarn with lots of air pockets. This approach makes for a lofty, lightweight yarn that traps warmth. Woollen-spun yarns have a matte finish with a soft halo and lend themselves well to extra-warm projects that will not weigh you down.

Preparation of raw material(input) for spinning

Sheep - Wool comes from sheep. It is sheared off the sheep.

Fleece - Shorn wool is called as fleece. Fleece usually has a lot of vegetable matter, manure, oil and dust

Skirting - Sorting the wool into coarser and finer, longer, and shorter. Before washing, it must be skirted well for manure

Washing - The grease and vegetable matters are removed using acid bath

Picking - opening the locks of wool and making it consistent having only the fluffy wool. A finetuning of the wool

web is done in this process. Very important step before spinning

 

Spinning - there are two types of processes

Woollen processing - spun from shorter fibres. The process flow is as follows:

Spinning for woollen yarns is typically done on a mule spinning machine.

Fleece - Scouring - Carding - Spinning and twisting

Worsted processing - spun from longer fibres. The process flow is as follows:

worsted yarns can be spun on any number of spinning machines.

Fleece - Scouring - Carding - Gilling - Combing - Drafting - Spinning and twisting

Woollen Blended Yarn: Wool is blended with other fibres also which are as below:

-          Acrylic/Wool (Double Ply also)

-          Acrylic/Wool Nylon

-          Wool/Nylon

Properties of wool

- Luxurious fibre with excellent feel and touch

- Soft and natural

- Wrinkle-resistant

- Light weight and durable

- Hygroscopic (moisture breathable)

- Highly flexible and durable

- Good drape and fall

- High UV protection

- Biodegradable

- Insulating properties

- High ignition threshold (good resistance to fire)

- Multi-climatic fibre

 

 

End Use: Sweaters, carpets, tweeds, suits, dresses, crepes, baby wears, footwears, beddings

 

 

 

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