Mask Filters Paper Towels
A double layer of paper towels can increase virus blocking capability by 33 research from air purifier company smart air shows.
Mask filters paper towels. They claim that two blue shop towels inserted into an ordinary cotton mask brought filtration up to 93 of particles as small as 0 3 microns. Although not entirely effective as a mask material by itself a paper towel can be used as a filter inside fabric face masks. Although new cdc instructions for making diy face masks include incorporating a coffee filter board certified internist nate favini said that coffee filters paper towels and tissues even in layers aren t very effective at filtering out microscopic particles. According to business insider a blue shop towel made from polyester hydro knit was found to be more effective as a diy face mask filter than other household materials.
The best overall materials for diy face masks. Two layers only captured about 33 percent of particles. Putting paper towel masks to the test. Based on a combination of breathability and filtration effectiveness the study recommended denim bed sheets 80 120 thread count paper towels canvas 0 4 0 5mm thick and shop towels for homemade masks.
According to smart air a single layer of paper towel will only filter about 23 percent of particles similar in size to the virus. Link to hk consumer council. University of hong kong shenzhen hospital performed a study that concluded two plies of paper towel have the equivalent filter efficiency of surgical masks. Schempf sent kennedy every material she had seen discussed on the internet as being potentially useful as a mask from blue shop towels and bandanas to paper towels and vacuum cleaner filters.
Based on a combination of breathability and filtration effectiveness the study recommended denim bed sheets 80 120 thread count paper towels canvas 0 4 0 5mm thick and shop towels for homemade masks. Paddy ran the met one for one minute measuring the total number of particles passing through the kitchen paper versus the same setup with no filter. Furthermore homemade paper towel masks likely won t fit properly. And they can t be washed.
Paddy used a met one gt 521s particle counter to test how well a single and double layer of paper towel filtered out particles down to 0 3 microns.