What two properties of aluminum make it suitable for use in food cans?

The properties that make aluminum suitable for use in food cans are its malleability and low density. Malleability allows aluminum to be easily shaped into thin sheets without breaking, which is ideal for crafting the can's walls. This characteristic is crucial because it enables manufacturers to produce cans with a smooth surface and a uniform thickness, which helps in preserving food and maintaining the can's integrity.

Low density is another key feature of aluminum. This lightweight property makes food cans easy to handle, transport, and store, which is important for both manufacturers and consumers. The combination of these properties allows aluminum cans to be both practical and cost-effective for packaging food.

In contrast, while factors like strength and rust resistance are important for many materials, aluminum's malleability and low density specifically cater to the packaging needs of food products. These attributes ensure that the cans are not only functional but also convenient for everyday use.