Different between mixing and blending

Mixing:
If different grade of same fibres are kept together, then it is called mixing
Blending:
When different fibres of same or different grades are kept together, then it is
Called blending Importance of blending
(a) Important of processing performance
(b) Development for newer usages
(c) Minimization of cost
(d) To give the required characteristics to the end product.
(e) Availability of stock
Different type of mixing operation
Process stage of blending typetype of blending operation
Sr. no.
Blending type
Process stage
1
Bale mixing
Before the blow room
2
Flock mixing
Within the blow room
3
Lap mixing
Using doubling scutchers
4
Web mixing
At the ribbon lap m/c, or the blending draw frame
5
Sliver mixing
At the draw frame & sliver, Lap or the comber
6
Fibre mixing
At the card or Rotor spinning m/c
7
Roving mixing
At the ring spinning m/c
Difference between mixing and blending
Sr. no.
Blending
Mixing
1
Mixing of different fibres. e.g p.c
Mixing of same fibres. E.g. Mixing blends of American & Indian cotton
2
Same properties of fibre are used in blend
Different properties of fibre are used in mixing
3
In blending. quality is not considered
in mixing In mixing, quality of fibre are considered
4
In blending, fibres are blended in definite proportion
In mixing, quality of fibre are considered
5
All the characteristics of fibres are known in this process
All the characteristics of fibres are not correctly known in this process
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