N95 mask developed using 3D printing technology
New Delhi: Scientists have developed a reusable, recyclable, washable, odourless, non-allergic and anti-microbial N95 mask employing 3D printing technology. The four-layer mask whose outer layer is made up of silicon has a shelf life of more than five years depending upon the use, said the Ministry of Science and Technology. A four-layer filtration mechanism has […]
