Which of the following is not an animal fibre?

By: Prof. Dr. Fazal Rehman | Last updated: February 3, 2024

Question: Which of the following is not an animal fibre?

A   Silk

B   Wool

C   Polyester

D   Pashmina

Answer:     polyester

Characteristic          Animal Fiber             Synthetic Fiber
Source ·        Derived from coats or fur of animals. ·        Produced from chemicals and polymers.

·        These are typically petroleum-based.

Nature ·        Natural fibers sourced from animals. ·        Man-made fibers produced through chemical processes.
Examples

 

·        Pashmina

·        Wool

·        Silk

·        Cashmere

·        Mohair

·        Alpaca

·        Polyester

·        Nylon

·        Acrylic

·        Polypropylene

 

Composition ·        Natural proteins or keratin ·        Polyethylene terephthalate (PET) for polyester

·        polyamide for nylon

Texture ·        Often soft, warm and comfortable ·        Some may have the feel of natural fibers
Strength and Durability ·        Wool is known for its strength and elasticity.

·        Silk is strong but less resilient.

·        Some are exceptionally strong and durable
Moisture Absorption ·        Many animal fibers have good moisture-wicking properties, keeping wearers dry and comfortable. ·        Generally have lower moisture absorption capability
Heat Retention ·        Animal fibers are known for their warmth and insulation properties. ·        Heat-retention properties depend upon their design.
Allergenic Potential ·        Some individuals may be allergic to certain animal fibers (e.g., wool). ·        Generally, synthetic fibers are less likely to cause allergies.
Cost ·        Can be more expensive due to the care and feeding of animals ·        Often more affordable
Sustainability ·        Wool and pashmina can be sustainable when produced using ethical and eco-friendly practices. ·        Synthetic fibers can be less sustainable due to their petroleum-based origin.
Biodegradability ·        Biodegradable and can naturally decompose ·        Not readily biodegradable
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