What are thermosetting plastics?
Thermosetting plastics are those plastics, which can be only moulded for once. They cannot be reshaped or reused because they do not get softened on heating. Bakelite, melamine etc. are examples of thermosetting plastics.
Why the switches and plugs are made of plastics?
What are thermoplastics? Explain with examples.
Why the handles of the utensils are made of bakelite?
Out of the following materials :
Cotton, Nylon, Terylene, Wood, PET, Acrylic
Which materials are polyesters?
