Blending and types of blending

When different fibres of the same or different grades are kept together, then it is called blending.

Types of Blending?

Blending type
Process stage
Bale mixing
Before the blow room
Flock blending
Within the blow room
Lap blending
By using scutchers
Web blending
At the ribbon-lap machine or the blending draw frame
Sliver blending
At the draw frame, lap former or the comber
Fibre blending
At the card or the OE-spinning machine
Roving blending
At the ring-spinning machine

For example, Siro and Jaspe yarns are produced by roving blending as shown below-

What are the reasons for fibre blending?
  • To facilitate processing. 
  • To improve properties like dimensional stability. 
  • To produce better performance. 
  • To improve texture, hand or feel the appearance of fabrics. 
  • To produce multi-colour fabrics. 
  • To reduce cost.

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