Properties of thermoplastics (copy)

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GCSE Engineering

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10 Terms

1
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properties - polystyrene

  • Good toughness

  • Good impact strength

  • Good for injection moulding, vacuum forming and extrusion

2
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uses - polystyrene

  • Packaging

  • Foam cups

3
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properties - ABS

  • Strong

  • Rigid

  • Harder and tougher than polystyrene

  • Twice the cost of polystyrene

4
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uses - ABS

  • Plastic pipes

  • Children’s toys

  • Keyboard caps

5
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uses - acrylic

  • Bathtubs

  • Machine guards

  • Plastic windows

6
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properties - acrylic

  • Good optical properties - can be transparent

  • Hard wearing

  • Won’t shatter upon impact (strong)

7
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properties - nylon

  • Ductile

  • Durable

  • Low friction properties

  • Good resistance to wear

8
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uses - nylon

  • Bearings

  • Gear wheels

9
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properties - polycarbonate

  • Strong

  • Tough

  • Excellent dimensional and colour stability

  • Heat resistant

10
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uses - polycarbonate

  • DVDs

  • Safety glasses

  • Exterior lighting fixtures