plastic are used in every sheper of life list the properties of plastic that make than so useful
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Characteristics Of Plastics :
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Plastics show the following General Characteristics :-
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. Appearance :
Transparent plastics material can be made they look like glass. plastic can be coloured in any colour and given any shape and are used for making large variety of household products.
5. weather Resistance :
plastics are not biodegradable that is why , they do not change with weather unlike natural fibres like cotton, and wool.
6. Thermal Conductivity :
plastics are the bad conductors of heat. For this reason, the handles of the cooling utensils are made of plastic material.
7. Electrical Conductivity :
plastics do not conduct electricity . This property of plastic is used for making electrical appliances like switches, irons, touches, bulb- holders etc..
8. Solubility in water :
there is no effect of water on plastics. They are insoluble in water.
9. Effect of Flame :
The plastics melt on bringing closer to flame.
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BEST OF LUCK ;-)
#akashmandal.
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Plastics show the following General Characteristics :-
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. Appearance :
Transparent plastics material can be made they look like glass. plastic can be coloured in any colour and given any shape and are used for making large variety of household products.
5. weather Resistance :
plastics are not biodegradable that is why , they do not change with weather unlike natural fibres like cotton, and wool.
6. Thermal Conductivity :
plastics are the bad conductors of heat. For this reason, the handles of the cooling utensils are made of plastic material.
7. Electrical Conductivity :
plastics do not conduct electricity . This property of plastic is used for making electrical appliances like switches, irons, touches, bulb- holders etc..
8. Solubility in water :
there is no effect of water on plastics. They are insoluble in water.
9. Effect of Flame :
The plastics melt on bringing closer to flame.
---------------------------------------------------
---------------------------------------------------
BEST OF LUCK ;-)
#akashmandal.
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