Aluminum metal is relatively soft, but adding aluminum to copper, magnesium or zinc greatly increases its strength while reducing its weight.Aluminum is considered non-toxic to humans, but a link has been suggested between aluminum and Alzheimer’s disease. ![]() Silver is evaporated at low pressure and attached to a substrate surface to make the reflective surface of the mirror. Aluminum replaced silver as a backing for mirrors.Aluminum is paramagnetic and a good electrical conductor.Aluminum is the most common metal in the Earth’s crust. Aluminum accounts for 8% of the Earth’s crust and is the third most abundant element.Recycling aluminum metal takes only 5% of the energy required to produce aluminum from bauxite ore.This greatly reduced the price of aluminum metal and is still used today. ![]()
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