Explain why the following are made of the thermosetting plastics

cbse
cbse-class-8-science
synthetic-fibres
and-plastic

#1

Explain why the following are made of thermosetting plastics.

  • Saucepan handles
  • Electric plugs/switches/plug boards

Answer:

  • Saucepan handles are made of thermosetting plastics because these plastics do not get softened on heating. Also, thermosetting plastics such as bakelite are poor conductors of heat.
  • Thermosetting plastics such as bakelite are poor conductors of heat and electricity. Therefore, they are used for making electric plugs, switches, plug boards, etc.