Question: what are the 4 main properties of aluminium?
Answer: Light Weight. Aluminum is a very light metal with a specific weight of 2.7 g/cm3, about a third of that of steel. ... 
Corrosion Resistance. ... 
Electrical and Thermal Conductivity. ... 
Reflectivity. ... 
Ductility. ... 
Strength at Low Temperatures. ... 
Impermeable and Odorless. ... 
Non-magnetic.