Thinner Metal Packaging

The crucial importance that recycling has nowadays has pressed the producers of metal packaging to reduce volume and weight over the years.

Thanks to the development of new technologies, the aluminium can sector has lately registered excellent results in reducing the weight of both the can body and its cover.

Since 1997, the sheet thickness has decreased by almost 7%, while since 1990 the total weight has dropped by about 20%. In other words, in 1990 a can weighed approx. 16.58 grams while at present it is just 13.30 grams.

Improvements as for the 'weight/packaging surface' rate have been registered in the steel sector, too, thanks to the use of lighter steels which anyway offer the same characteristics of strength and elasticity. The thickness used for 500-gram 'open top' cans was 0.23 mm in 1998, it passed to 0.14 mm in 2002 and became 0.12 mm in 2005.

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