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The dish shown opposite has been designed to be made in a type of plastic. |
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1. Name a suitable plastic for the manufacture of the dish. |
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| NAME: POLYSTYRENE | |||||||||||||||||
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| 2. List four properties / qualities of the plastic you have named. | |||||||||||||||||
| A. PROPERTY / QUALITY 1: | |||||||||||||||||
| Polythene is manufactured in a range of colours. | |||||||||||||||||
| B. PROPERTY / QUALITY 2: | |||||||||||||||||
| Polythene is manufactured in a range of thicknesses. | |||||||||||||||||
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C. PROPERTY / QUALITY 3: |
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| Polythene can be formed under heat and pressure. | |||||||||||||||||
| D. PROPERTY / QUALITY 4: | |||||||||||||||||
| Polythene is resistant to corrosion. | |||||||||||||||||
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3. In the four spaces below draw a diagram to represent the manufacture of the plastic dish. Underneath each diagram add explanatory notes. |
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