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Change Colour Mask / Disposable mask

Change Colour Mask
Change Colour Mask

In the process of the use of masks, people will exhale steam and carbon dioxide. So in our design, we use steam and carbon dioxide start the chemical reaction with filtering valve color-changing coating when using a mask. Patterned coating printing on the filter valve will be more and more clear. So when you can see the pattern clearly, it means that your masks need to be replaced. At the same time, Since different people have different patterns. It is easy to distinguish, and will add some fun.

University

China University of Mining and Technology

China University of Mining and Technology
Xuzhou, China

Hui Luo,
China University of Mining and Technology

Weipeng niu,
China University of Mining and Technology

Xiangzhou Li,
China University of Mining and Technology

Zhibing liu,
China University of Mining and Technology