Chapter 1: Synthetic Fibres and Plastics

Q&A -Ask Doubts and Get Answers

Q
Synthetic Fibres and Plastics

Question:

Explain why the following are made of thermosetting plastics.

(a) Saucepan handles

(b) Electric plugs/switches/plug boards

Answer:

Thermosetting plastics are the type of plastics that become rigid after heating and cannot be remolded again. Bakelite and Melamine are examples of thermosetting plastics.

(a) Thermosetting plastics are a bad conductor of heat and do not get heated up while cooking. That is why they are used to make saucepan handles.

(b) Thermosetting plastics are a bad conductor of electricity. That is why they are commonly used to make electric plugs, switches, or plug boards.


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