This document classifies fibers into natural and manufactured types and further categorizes them by length and size. It discusses natural fibers like cotton, kapok, bast fibers including flax, jute, and ramie, and animal fibers such as silk, wool, and specialty hair fibers. Manufactured fibers include regenerated cellulosic fibers like viscose rayon and acetate, protein fibers like azlon and casein, mineral fibers like glass and ceramic, synthetic fibers like polyester and nylon, inorganic fibers, high performance fibers such as aramid and carbon, as well as rare eco-friendly fibers. The recycling process of PET bottles into staple fibers or chips is also outlined.
5. Classification of fibers can be
done by:
• Type (Natural and manufactured)
• Length (Short staple, long staple, continuous
filament)
• Size (Ultra fine, fine, regular, course)
16. ANIMAL FIBRES
• Animal fibers are natural fibers that consist largely of
proteins such as silk, hair/fur, wool and feathers.
• The most commonly used type of animal fiber is hair.
They canbe classified further as
Hair Fibres(Staple) Secretion Fibres
(Filament)
Wool
Speciality hairfibres
(angora, Cashmere, Mohair)
Silk
Spider Silk
(Insectfibre)
25. REGENERATED FIBRES
Cellulosic –Cotton linters and wood pulp
Viscose rayon, Cupra-ammonium,Cellulose
Acetate (secondary and triacetate),Polynosic,
High Wet Modulus(HWM)
Protein –Caseinfibre from milk
Azlon fibre from corn and soyabean
27. Non Cellulosic Man made fibres:
Protein:
•Azlon Fibre from Soya and Corn
•Casein of Milk
•Ground nut
From other Sources:
Mineral: Glass, Ceramic and Graphite
Metallic Fibres: By mining and refining of metals like
silver, gold, aluminum and steel.
Rubber Fibres: Sap tapped from the rubber tree.
( Fibre forming polymer is
either natural or synthetic)