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Time-up Face Mask / mask

Time-up Face Mask
Time-up Face Mask

As an important protection measure for people during traveling, most masks can't show their service life intuitively, nor can be recognized as an old mask or new one from their common appearance. It will result in that reused in violation of regulations. In view of phenomenon, masks can be combined with the coatings that can change color after oxidation. People can observe the discoloration of the coating on the upper end to learn about the service status and service life of the mask. After the coating completely changes color to the same as the text on the mask, the mask can be discarded. So that it can prevent the masks usage from waste.

University

Shanghai Second Polytechnic Univ

Shanghai Second Polytechnic Univ
Shanghai, China

舒 莉,
Shanghai Second Polytechnic Univ

蔡欣榆,
Shanghai Second Polytechnic Univ

刑倩,
Shanghai Second Polytechnic Univ

陈臻昱,
Shanghai Second Polytechnic Univ