Medical surgical mask: it is divided into three layers, the outer layer is waterproof, the middle layer is waterproof, the particles of 5 μ m in the air are more than 90%, and the inner layer is hygroscopic.

Medical surgical protective masks are suitable for surgical scenes. Due to the possibility of splashing biological samples such as blood during surgery, surgeons need to wear standard surgical protective masks in order to prevent these samples from splashing on the doctor's face and prevent the bacteria on the doctor's face from falling to the surgical wound during the operation If there are words of medical surgical masks, they must comply with yy-0469-2011 technical requirements for medical surgical masks.

The medical protective mask is suitable for the protection of airborne respiratory infectious diseases, and it has a very good barrier effect on dust and haze, and the protection level is higher among these kinds of masks. We often say N95 masks belong to this category.