LOSS OF THE INTEGRITY IN BEER ALUMINIUM CANS

Published in Scientific Bulletin. Series F. Biotechnologies, Vol. XVIII
Written by Marius Cristian BODA, Mona Elena POPA

Canned beer samples obtained from Romania factories were analyzed for the double sealed parameters like body hookand seam gap. Sampling location was Bucharest (Romania). Deviant variation from standard was found in 12 from 18samples analyzed. Also several measurements showed how standard cans look like and were compared with the otherones. The results of previous studies showed that the defective values of double seam may conduct to leakage of liquidsor vapors into or out of the can or to the bacteria contaminations. The double seam, then, is an interlocked metal-tometaljoint that provides the hermetic seal. The small voids that naturally occur in this metal-to-metal joint are filled bythe sealing compound when it is under proper compression (seam tightness). The experiments revealed that voids canbecome larger and more apt to cause leakage through the double seams when these common conditions exist.

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Boda M. C., Popa M. E. 2014, LOSS OF THE INTEGRITY IN BEER ALUMINIUM CANS. Scientific Bulletin. Series F. Biotechnologies, Vol. XVIII, ISSN 2285-1364, 101-106.


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