Widely used throughout Europe and North America, expanded packaging was first launched in Brazil in May, 2002, at the Sao Paulo Supermarket Association's Trade Fair.

Developed by Bertol S.A., expanded packaging has a unique format, which may be exclusive to either the producer or a single product.

Today, expanded packaging is already used for tomato products, sauces, preserves, cold meats and coffee.

CSN is active in this innovative area with the development of steel specifications used in expanded packaging, thus ensuring that apart from being very appealing to the customer and a competitive advantage for the producer, the packaging is also practical and safe.