Jadavpur UniversityAt Jadavpur University, teachers and researchers have developed a three-layer washable mask from low-cost, easily available materials. Of the three layers of a mask, the two outer layers are made of polypropylene fabric. “The sprinkled droplets crossed the first polypropylene layer but were absorbed by the cotton layer. “Once bulk production starts, the university will make the masks available to the underprivileged for free,” said vice-chancellor Suranjan Das. Two layers of cotton and a thin layer of polyester are being used in the masks, which will be washable.

Source: The Telegraph April 18, 2020 21:11 UTC