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<p>There are several brands of aluminum foils for domestic use on the market. The vast majority do not provide consumers with any type of information about the characteristics of the film, in particular its thickness. In this work, we compare the thickness and non-uniformity thickness of aluminum foil on sale in the Portuguese market. The method used was the loss of energy of alpha particles as they passed through the foil. For all tested brands, the thickness value is approximately 11&#xa0;µm. Regarding the non-uniformity thickness, we conclude that the standard deviation is of the order of 5% of the foil average thickness.</p>

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Thickness and Uniformity of Commercial Aluminum Foils

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年1月30日

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  • L. Peralta,
  • A. I. Campos,
  • M. S. Rodrigues

摘要

There are several brands of aluminum foils for domestic use on the market. The vast majority do not provide consumers with any type of information about the characteristics of the film, in particular its thickness. In this work, we compare the thickness and non-uniformity thickness of aluminum foil on sale in the Portuguese market. The method used was the loss of energy of alpha particles as they passed through the foil. For all tested brands, the thickness value is approximately 11 µm. Regarding the non-uniformity thickness, we conclude that the standard deviation is of the order of 5% of the foil average thickness.