Question

write four properties of plastics that make them
popular for making different
objects ?​

Answer 1

Answer

Toughness or Tensile strength : plastics vary in their tensile strength from material to material. ...

light Weight : plastics are much lighter in weight as compared to woods, metals , etc.

Chemical Reactivity : ...

Appearance : ...

weather Resistance : ...

Thermal Conductivity : ...

Electrical Conductivity : ...

Solubility in water

Answer 2

Answer:

Characteristics Of Plastics :

1. Toughness or Tensile strength :  

plastics vary in their tensile strength from material to material. plastics have much less toughness as compared to metals and alloys like steel.

2. light Weight :

plastics are much lighter in weight as compared to woods, metals , etc.

3. Chemical Reactivity :

Plastics are not affected by acids and alkalines. natural polymers such as cotton, wool, etc are damaged by acids.

4. Electrical Conductivity :

plastics do not conduct electricity . This property of plastic is used for making electrical appliances like switches, irons, touches, bulb- holders etc..

5.Effect of Flame :

The plastics melt on bringing closer to flame.

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