Define asphalt and state any three properties of asphalt.

Define asphalt and state any three properties of asphalt.
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1 Answer

Answer :

Definition: It is a form of bitumen which is sticky, black and viscous liquid or semisolid in nature. Aggregates + bitumen = asphalt.

OR

It is an artificial mixture of bitumen and inert matter like alumina, lime, silica etc...

Properties:

1. It is black or brownish in colour

2. It is elastic

3. Good insulator of heat and electricity

4. It is waterproof.

5. It has adhesive property

6. It softens as it is heated.

7. It hardens as it is cooled.

8. It is tough and durable material

9. It is soluble in C2S, Benzene, Naptha
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