N95 mask: N95 mask is a protective mask, which can filter at least 95% of particles in the air. Made of multilayer filter materials, it can effectively block particles, bacteria and viruses in the air. N95 masks are widely used to protect people from respiratory diseases, such as influenza and novel coronavirus.
Medical surgical mask: Medical surgical mask is also a common respiratory protective device, which is used to block droplets, bacteria and some particles in the medical environment. The filtering efficiency of medical surgical mask is relatively low, but it can provide basic respiratory protection.
Cloth mask/fabric mask: A cloth mask or fabric mask is a reusable respiratory protection device made of textiles or fabric materials. Its filtration efficiency is generally low, which can help stop water droplets and some large particles, and it is also environmentally friendly and can be cleaned and reused.
Respiratory protective equipment refers to a special device or equipment used to protect the respiratory tract from harmful substances, particles, bacteria and viruses suspended in the air. They are designed to cover the mouth, nose and mandible to prevent harmful substances from invading the respiratory tract and reduce potential risks to the respiratory system.
Introduction of extended information:
The first-class protective articles mainly include: medical surgical masks, disposable working caps, work clothes, disposable latex gloves or nitrile gloves, etc.
Secondary protective articles mainly include: medical protective masks, goggles or masks, disposable working caps, impervious isolation gown or protective clothing, disposable latex gloves or nitrile gloves, shoe covers, etc.
The third-class protective articles mainly include: positive pressure headgear or comprehensive protective respiratory protector, impervious isolation gown or protective clothing, disposable latex gloves or nitrile gloves, shoe covers, etc.