Aluminum is a lightweight, flexible, strong, and corrosion-resistant metal. Aluminum is also an excellent conductor of heat and electricity and is one of the most widely used and recycled metals in the world. Aluminum and its alloys are mostly used in the construction and the automotive and transportation industries because their unique lightness and durability. Aluminum is also widely used in the packaging, electrical, electronics, machinery, and equipment industries. The principal aluminum ore is bauxite, a mixture of hydrated aluminum oxides and silica and iron oxides. The world aluminum demand is constantly growing due to an increased demand in the construction and transportation industries. Aluminum is on Canada’s 2021 critical minerals list, meaning that it is essential to Canada’s economic security.