The process of separating the seeds from the cotton fibers. Types of processes, Points to be considered for fibre during processing. It also mentions various other properties.

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Textile Yarns processing technology

Ginning: The process of separating the seeds from the cotton fibers is known as ginning.

There are 3 types of ginning processes. They are:

Knife roller gin for Indian and Pakistani cotton
Mscarthy roller gin for Long staple cotton
Saw gin used for American, West African, Pakistani cotton

Points to be considered for fiber during processing:

Main Factors

Length
Fineness
MaturityUniformityTrash Content

Other Properties

Pliability
Cohesiveness
Tensile Strength

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Timeline of Manmade Fibers

A useful filament was not produced until the last part of the 19th century, when Swann and de Chardonnet extruded a solution of cellulose nitrate (collodion) through small holes (spinnerets). These pioneer manmade fibres were replaced by rayon fibres which were spun from an alkaline cellulose xanthate solution (viscose), which were in turn supplemented by cellulose acetate and many synthetic fibres.

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Natural Fibres - fibres from the nature

All fibres which come from natural sources (animals, plants, etc.) and do not require fibre formation or reformation are classed as natural fibres. The natural fibres are vegetable, animal, or mineral in origin. Some of the natural fibres like vegetable fibres are obtained from the various parts of the plants. They are provided by nature in ready-made form. It include the protein fibres such as wool and silk, the cellulose fibres such as cotton and linen, and the mineral fibre asbestos.

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Ginning

Textile Yarns processing technology

Main Factors

Other Properties

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