Textile body develops high quality cloth to make 'N-99' masks

The Ahmedabad Textile Industrys Research Association (ATIRA) in collaboration with the Defence Research and Development Organisation has produced a high quality cloth to make masks of 99 per cent filter efficiency, the highest among all kind of masks available in the country. The N-95 respirator, in comparison, is able to filter 95 per cent of the very small airborne particles

source https://timesofindia.indiatimes.com/india/textile-body-develops-high-quality-cloth-to-make-n-99-masks/articleshow/75243749.cms