  
To many designers and materials specifiers, aluminum is the material of choice for countless applications. Experts chose aluminum proflies because it offers so many design options. Aluminum is light; its density is only one third that of steel.
Aluminum is resistant to weather, common atmospheric gases, and a wide range of liquids.
Aluminum can be used in contact with a wide range of foodstuffs.
Aluminum has a high refelctivity, and,therefore, finds more decoarative uses.
Aluminum alloys can equal or even exceed the strength of normal construction steel.
Aluminum has high elasticity, which is an advantage in structures under shock loads.
Aluminum keeps its toughness down to very low temperatures, without becoming brittlelike carbon steels.
Aluminum is easilyworked and formed;it can be rolled to very thin foil.
Aluminum conducts electricity and heat nearly as well as copper.
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