Question

List any three advantage of and disadvantage of synthetic fibre

Answer 1

Advantages ->

It is from natural resource.

It does not catch fire easily.

Natural fibres are renewable.

lower pollution levels during production.

lower cost.

Disadvantages ->

Absorbs a lot of moisture resulting in swelling of fibers.

They have less strength particularly the impact properties.

These fibers shrink.

They fade faster loosing color.

These fibers absorb a lot of water.

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Answer 2

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• They are strong and don't break easily.

• They are generally wrinkle free.

• They are durable and easy to maintain.

• They are cheaper.

• They dry quickly.

• They need very little or no ironing.

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$\red{\rm{\underline{\underline{Disadvantages \: of \: synthetic \: fibres-}}}}$

• They are non-biodegradable so causes soil pollution.

• They catch fire easily so, it shouldn't be used while working near fire.

• They accumulate electric charge (static) so causes irritation to the skin.

• They don't absorb sweat and stick to our body, makes uncomfortable in hot and humid weather.

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• Synthetic Fibres - Synthetic fibres are man made fibres that are made in factories or in laboratories by using chemicals.

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Synthetic fibres are of two kinds:

• Made by processing raw materials

Ex - Rayon.

• Made entirely from chemicals

Ex - nylon, acrylic, polyester.

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Few properties of synthetic fibres -

• Synthetic fibres are inflammable meant they don't catch fire.

• Synthetic fibres have stretchability and good tensile strength.

• Water absorbing capacity of synthetic fibres is less.

• Synthetic fibres are non-biodegradable.

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