Why did tinplate become important after the development of food canning in 1812?

Following the development of food canning in the early 19th century, tinplate became essential because it provided a durable, noncorrosive, and nontoxic material for food storage.1

While early canning methods utilized glass bottles, Peter Durand received a British patent in 1810 for the use of tin-coated iron containers, which offered significant advantages over fragile glass. Tinplate combined the strength and formability of steel with the protective properties of tin, allowing for the creation of hermetically sealed, airtight containers that could be manufactured at high speeds.231

Before this innovation, tinplate was primarily used for household items like lanterns and plates. However, the rise of the canning industry transformed packaging into the primary use for tinplate, as it enabled the safe, long-term preservation of food for military and civilian use. By 1820, canned goods were being supplied to the Royal Navy in large quantities, cementing the importance of tinplate in industrial food processing.42