Presented by: Rashedul al rashid
Email: .............
Fully Fashion Knitwear
Textile Fiber/ Fibre
Fibers are natural or chemical structure that can be
spun into yarn.
Classification
of Textile Fiber (Based on sourcing):
Properties of Fibers
Major
three properties:
- Mechanical properties: This is the response to apply forces and recovery.
Like;
- Abrasion resistance (fight to
fraction)
- Flexibility (bending capacity)
- Stress (ability to take
pressure)
- Absorption properties: This is a measure and the quantity of water vapor or
liquid water or oil absorbed by fabric.
- Water vapor absorption
- Water absorption
- Thermal properties: The behavior of textile in the presence of heat or
when exposed to a flame.
- Heat resistance
Or Specific heat
- Note on Cotton fiber: Abrasion resistance of cotton fiber is poor. It takes long time to dry and temperature needs high. Its thermal capacity is high. Absorbing capacity is also high that’s why releasing capacity is poor. In case of polyester, nylon etc absorbing capacity is poor that’s why releasing capacity is high.
Fibers identification:
|
Test
|
Wool
|
Acrylic
|
Cotton
|
|
Non-flammable
(Hair burn smell)
|
Flammable
(Petrol & plastic burn smell)
|
Flammable
(Paper burn smell)
|
|
2.
Chemical
Test
|
(+)Acid
(-) Alkalis
|
(+)Acid
(+) Alkalis
|
(-)Acid
(+) Alkalis
|
3. Microscopic
Test
(DNA or Cell Structure)
- Note on Wool fiber: Wool does not burn others and does not spread the
fire. It just burn and shrink. It has good capability to resist acid. Its
shrinkage percentage (%) is high that’s why we don’t prefer wet
processing.
- Note on Acrylic fiber: It is a petroleum product.
- Note on Cotton fiber: When it burns smell seems paper burning because paper and cotton both made from vegetable material plant.
To be continue....
No comments:
Post a Comment