1. Thermoplastic: As these plastic are soften on heating, they can be recycled, reused, coloured, melted and moulded into different shape.
Some thermoplastic and their uses are mentioned below:
(a) FVC: one of the most commonly used plastic is PVC (polyvinyl chloride). PVC is used as a building material and to make enclosure for electronic item.
(b) Teflon: Teflon is a scratch proof, corrosion-resistant plastic, which is used to provide protective covering to materials.
(c) Polyethylene (PE): It has a wide range of inexpensive uses that include making supermarkets bags, plastic bottle, packing material for milk, and some other liquid.
(d) Polystyrene (PS): It is used for making disposable untensils, food container, cover for CD and cassettes.
2. Thermosetting: Such plastic once moulded cannot be heated and recanted into another. Some thermosetting plastic are:
(a) Bakelite: Bakelite is used for making plugs, sockets, switches and other electrical fitting.
(b) Melamine: It is used for making unbreakable kitchenware. Melamine plastic is also coated on the uniform of firemen.