Question

What is plastic? Explain different types of plastics and their uses?

Answer 1

Plastic:

• Plastics are substances that are made from organic substances of high molecular weight.
• Plastic is polymer-like synthetic fiber.
• Some common plastics are polyvinyl chloride, bakelite, melamine, polyethylene, etc.

Types of plastics:

Thermoplastic :

• Thermoplastics are plastics that can be melted by heating and moulding them into new objects again and again.
• For example nylon, terylene, polyvinyl chloride, etc.

Uses of thermoplastic:

• Thermoplastic material used in making sports equipment.
• Thermoplastic is used in making toys.
• It is used in making automobile parts also.

Thermosetting:

• Thermosetting plastics, when heated melt and set into a hard mass.
• They can not be melted again and again.
• For example bakelite and melamine.

Uses of thermosetting:

• These are used in making insulating handles for cooking utensils.
• They are used in the body parts of electrical appliances.