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Masks that show time lapse / Medical product design

Masks that show time lapse
Masks that show time lapse

Masks that show time lapse
Everybody is supposed to wear mask during severe infectious disease period. Some of the masks, like3M or N95, will run out of usable time after 4-6 hours. But the masks do not have indications of time lapse. As a result, people do not know the right time to change the masks, making the protection ineffective or repeated contamination. This design adds to the traditional mask a test paper that changes colors after its contact with the vapor from breathe. The mask is no longer usable when it changes into red color.

University

Huang Shihui

Huang Shihui
Cheng Du, China

Huang Shihui,
Sichuan Normal University