PVC (polyvinyl chloride) is a thermoplastic and is used for making toys, chappals, etc. Bakelite is a thermosetting plastic and is used for making electrical switches, handles of various utensils, etc. Can you write the major difference between these two types of plastics?

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Solution

The major differences between these two types of plastics can be summarized as follows-

Thermosetting plastics Thermoplastics

Units are cross-linked in these kind of plastics.

These cannot be moulded or deformed easily on heating.

Examples-include-Melamine, Bakelite etc.

Units are linearly linked in these kind of plastics.

These can be deformed easily on heating and can be bent easily.

Examples include-PVC, polyethene etc.

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Thermosetting plastics	Thermoplastics
Units are cross-linked in these kind of plastics. These cannot be moulded or deformed easily on heating. Examples-include-Melamine, Bakelite etc.	Units are linearly linked in these kind of plastics. These can be deformed easily on heating and can be bent easily. Examples include-PVC, polyethene etc.