Folding mask medical mask function

Medical masks are just one type of folding masks. They are the most widely used folding masks on the market. Medical masks refer to masks that meet the requirements of the national technical standard YY0469-2011. Generally, they are three-layer non-woven masks with a filter layer. They are mainly used to block bacteria and have good air permeability. From the scope of application, one is that the hospital is the most widely used and welcomed by a wide range of doctors and nurses, and the other is widely used in daily life to prevent pollen and flu.