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Granite Physical Properties



GraniteIn terms of its physical properties granite is a unique material. These properties lending uniqueness to granite are:

Porosity/permeability
Granite has almost negligible porosity ranging between 0.2 to 4%.

Thermal Stability
Granite is highly stable thermally, therefore shows no changes with the change in temperature. Granite is impervious to weathering from temperature and even from the air borne chemicals. It is the high resistance to chemical erosion that makes granite useful for making tanks to store highly caustic material.

Co-efficient of expansion
The co-efficient of expansion for granite varies from 4.7x10-6 – 9.0x10-6(inch x inch).

Variegation
Granite shows consistency in color and texture.

Hardness
It is the hardest building stone and hardness of granite that lends it excellent wear.


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