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Metal Packaging Materials

  • Luciano PiergiovanniEmail author
  • Sara Limbo
Chapter
Part of the SpringerBriefs in Molecular Science book series (BRIEFSMOLECULAR)

Abstract

The majority of known elements are metals. With relation to food packaging, these elements are used in a very pure form (aluminum) and as metal alloys (steel, tin plate). Five fundamental characteristics of metals make them particularly feasible for packaging: compactness, high density, unrivalled toughness, malleability and high thermal conductivity. In addition, the easiness of a selective collection of the metallic waste (due to magnetic behaviour and high density values) and the opportunity of thermal recycling without any loss of the original performances should be noted. As a result, three main classes of metallic materials for food packaging applications are currently available on the market: aluminum, coated plates (tinplate, tin-free steel, polymer-coated and steels) and stainless steel plates. Each material has interesting features on the one hand and peculiar disadvantages on the other side, when speaking of food packaging applications and other topics such as simple logistic considerations (oxidation, etc.).

Keywords

Aluminum Chromium Iron Lacquer Metal packaging Steel Tin Tin-free steel Tinplate 

Abbreviations

Al

Aluminum

Al2O3

Aluminum oxide

BPA

Bisphenol A

C

Carbon

Cr2O3

Chromic oxide

Cr

Chromium

ECCS

Electrolytically chromium-coated steel

EHEDG

European Hygiene Engineering and Design Group

FEP

Fluorinated perfluoroethylenepropylene

Fe

Iron

Fe/Sn

Iron/Tin

PFA

Perfluoroalkoxy alkane

PTFE

Polytetrafluoroethylene

Sn

Tin

TFS

Tin-free steel

SnOx

Tin oxide

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Copyright information

© The Author(s) 2016

Authors and Affiliations

  1. 1.Department of Food, Environmental and Nutritional Sciences (DeFENS)Università degli Studi di MilanoMilanItaly

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