- They are clean, light in weight and have shining and attractive surface.
- They have resistance to corrosion, vermin attack and other atmospheric effects.
- They act as good heat and electrical insulators.
- They have easy workability.
- They need no painting or polishing.
- They are available in different colours and different degrees of transparency.
- Some plastics have high compressive strength.
- They have good adhesiveness capacity.
- They are good in absorbing shocks and vibrations.
- 10. They are cheap and freely available.
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