Module 9: Dyeing

There are several ways wool can be dyed to achieve the many beautifully-coloured wool products available. In this module, you will explore several types of dyes and dyeing processes, and the factors considered when dyeing wool.

Content

Topic 1 - Aims of dyeing

The dyeing process sets out to achieve a number of aims. In this topic you will cover these aims and find out when dyeing takes place during woollen-spun and worsted-spun processing.

3 mins

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Topic 2 - Types of wool dyes

There are many dye products available, but dyeing wool is not as simple as just picking the right colour. Learn about the different types of dye and the factors to consider when selecting a suitable product.

3 mins

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Topic 3 - Dyeing and the processing pipeline

The point at which the wool is dyed can significantly affect both product quality and production planning. In this topic you will explore the various dyeing processes and their associated lead times.

3 mins

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Topic 4 - Bleaching

When wool is not bright enough, or needs to be dyed to bright or pastel shades, it can be bleached before dyeing. Here, you will see the different ways of bleaching wool to make it brighter.

3 mins

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Topic 5 - Dyeing wool blends

As you have already discovered, wool can be combined with different fibres in wool blends. In this topic you will discover the different dyeing procedures and considerations involved when dyeing wool blends.

2 mins

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Topic 6 - Environmental considerations

Whether through resource consumption or contaminated waste, dyeing can impact the environment. Investigate the environmental impacts of dyeing wool and how the industry manages its ‘environmental footprint’.

3 mins

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