Question

explain why the following are made of thermosetting plastic
a) saucepan handle
b) electric plugs/switches/ plug boards​

Answer 1

Answer:

Saucepan handles are made up of thermosetting plastics because they are poor conductors of heat. ... Electric plugs/switches/plug boards are made of thermosetting plastics because they are poor conductors of electricity reducing the risk of electrocution.

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Answer 2

b) electric plugs/switches/ plugs boards.

Explanation:

• Thermosetting plastics are made up of long chains of molecules , and have a rigid structure, these molecules are cross linked.
• Thermosetting plastic is also called thermoset.
• These plastics are synthesized by condensation polymerization. They have primary bonds between molecular chains and are held together by cross linkage, they have high melting  point and great tensile strength.
• Objects that are made up of this plastic are insulators, cells , circuit breakers, electric plugs, switches, heat shields etc.