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N95 Mask Developed Using 3D Printing Technology

Context: Researchers have developed a reusable, recyclable, washable, odourless, non-allergic and anti-microbial N95 mask by using 3D printing technology. 


Key Highlights: 

Researchers from Amity University Haryana (AUH) and the University of Nebraska, USA, have recently developed a reusable, recyclable, washable, odourless, non-allergic and anti-microbial N95 mask by using 3D printing technology. It has immense potential as a prophylactic. 

  • A Zetasizer Nano ZS, a facility supported by the ‘Fund for Improvement of Science & Technology Infrastructure’ (FIST) project of the Department of Science & Technology (DST), Government of India has been used to carry out this work. It is a high-performance, versatile system for measuring particle size, zeta potential, molecular weight, particle mobility and micro-rheology. 

A trademark and a patent have also been filed for the mask called Nano Breath.


About the Mask: It is a four-layer mask whose outer layer is made up of silicon. It has a shelf life of more than 5 years, depending upon the use. The outer and first layer of the filter is coated with nanoparticles. The second layer is a high-efficiency particulate absorbing (HEPA) filter, the third layer is a 100 µm filter, and the fourth layer is a moisture absorbent filter.

Uses and Significance of the Mask: Apart from its well-known uses to prevent COVID 19, the mask can be used by workers in different industries like brick kilns, cotton factories and pain industries. The mask can be modified according to the need by changing the filter configuration according to the place in which it will be used. It can help prevent severe lung diseases such as SILICOSIS.

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