NSAFE: First antimicrobial and washable Face Mask

The Startup of IIT Delhi has found an antimicrobial face mask that can be washed and reused for 50 times. The Nanosafe Solutions at IIT Delhi has developed the masks to fight against COVID-19.


The NSAFE face mask provides 99.2% of bacterial filtration. This is the first fabric-based face mask that is antimicrobial and washable. The mask complies ASTM standards.

ASTM International

It was formerly known as American Society for Testing and Materials. It is an international standards organization that develops and publishes technical standards for materials, services and products. The headquarters of the organization is located in Pennsylvania. It was founded in 1898.

About the mask

The Mask provides the wearer three different mechanisms namely mechanical filtration, repulsion of aerosol droplets and antimicrobial decontamination.

The mask consists of three layers namely inner hydrophilic layer that provides comfort by absorbing moisture and sweat. This, eases breathing of the wearer. The second layer has antimicrobial activity and the outer most layer has water and oil repellent behaviour. The mask is also splash resistant.

What is splash resistant?

Splash resistance is the capability of the mask to survive in rain as well. In simple words, the mask and its layers will work the same in rain as well. They are water proof.


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