Originally published as How long can a N95 mask last? Are there any other epidemic prevention suggestions? What kind of masks will you choose to wear during the epidemic prevention period? Is it an ordinary mask or a professional N95? "I often wear a salute," said Linsey Marr, a professor of civil and environmental engineering at Virginia Tech. "Experts classified the N95 mask as a medical mask, which is why it's disposable," said Erin Bromagi, associate professor of biology at Dartmouth University in Massachusetts. Disposable medical grade products can play a protective role for the public, which can effectively avoid cross infection. "Their products need to meet standards and be recognized by relevant institutions such as the National Institute of Occupational Safety and Health," Bromagi said. "But there are a lot of counterfeits out there that may meet the standards but aren't certified." Expand the full text N95 mask "is not made for children,Medical Quickly Delivery Antivirus Coverall," Marr said. N95 is usually only for older children. My 10-year-old daughter uses a small N95 mask. You may need to try several different brands or shapes of KN95, KF94 or small N95 to find one suitable for kids, Marr said. If you still have trouble putting a mask on your child, she suggests tying the earrings or using a switch or cord adjuster to make sure the mask fits well enough. To reuse N95 mask as safely as possible, avoid touching the front and outside of the mask while wearing it, KN95 Mask for Epidemic Prevention and Control ,3 Ply Disposable Protective Face Mask, Marr said. Instead, try to handle it through the edges or straps. "Be sure to avoid places to breathe, such as the nose and the front of the mouth," she added. "Even when wearing a N95 mask in a crowded indoor environment, such as the subway, these masks are designed to handle a lot of particles and will continue to work," Marr said. If the mask becomes damp, visibly dirty, bent, wrinkled or otherwise damaged — including by makeup — you should definitely replace it, Marr and Bromagi said, as these conditions can reduce the effectiveness of the mask's protection. Overall, the pollution risks from repeated use of N95 mask are "much lower than the risks from not wearing N95 mask and inhaling particulate matter," Marr said. I don't want people not to wear N95 because they are worried about N95 pollution. N95 is going to be a huge net benefit. In the translator's view, although N95 is powerful, it is safer and safer to replace masks in time. Return to Sohu to see more Responsible Editor: (function() { function getBrandHtml() { var brands = [],CE Certificate KN95 Mask, html = ''; for(var i = 0; i < brands.length; i++) { var brand = brands[i]; if(brands.length i+1) { html+= ''+brand.name+''; } else { html+= ''+brand.name+'、'; } } return html; }; if(document.getElementById('linkBtn')){ document.getElementById('linkBtn').onclick = function() { $('#brands').removeClass('brand');$ ( '# tipInfo').text ( 'Real name responded'); $ ('#linkBtn').remove();$ ('.real-response .content').css('line-height', '20px');$ ('.real-response .time').css('line-height', '20px'); }; document.getElementById('brands').innerHTML = getBrandHtml(); }; })();。 zjyuan-group.com