Properties of Plastics

1. Colour: Some plastics are fully transparent. By using pigments plastics of any attractive colour can be produced.

2. Dimensional Stability: Plastic is dimensionally stable to a great extent.

3. Durability: Plastic offers great resistance to chemicals and moisture and therefore more durable.

4. Electrical Insulation: The plastics possess outstanding electrical insulating property.

5. Fire Resistance: The urea-formaldehyde and phenol-formaldehyde plastics resist fire to a great extent and therefore they are used as fire proofing materials.

6. Strength: The plastics are strong reasonably. By reinforcing their strength may be increased with various fibrous materials. Attempts are made to produce structurally sound plastics.

7. Specific Gravity: The specific gravity of plastics is very low and therefore convenient to handle.

8. Ductility: The plastics are not ductile and therefore they fail without giving warning.

9. Fixing: Plastics can be, drilled, bolted, glued, clamped or easily push fitted in position.

10.  Maintenance: There is no maintenance cost for plastic articles for example :they do not need painting and polishing.