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What are the different types of plastics?
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There are two main types of plastics. The plastics known as thermosets harden on heating and cannot be remelted. They include polyurethane and melamine, and are used for making electrical fittings and work surfaces. Plastics known as thermoplastics soften on heating and can be melted and re-melted. They include polystyrene and nylon, and are used for packaging and clothing. | | How plastic is made |
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Previous:
Back
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Book:
1001
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Section:
Science and Technology
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Chapter:
Materials
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