Device to know if the cold chain has broken (Machine-translation by Google Translate, not legally binding)

摘要

Device to detect the interruption of the cold chain in frozen foods and products, pharmaceutical industry and other uses, characterized by being based on the physical principle of freezing and melting a liquid formed by the mixture of water and alcohol to achieve the desired melting temperature and the addition of a food coloring. It consists of an airtight container containing the mixture of water and ethyl alcohol plus a dye, all frozen and molded that is used as an indicator element. (Machine-translation by Google Translate, not legally binding)