Anti-epidemic mask is a sanitary product, generally refers to the device worn on the nose and nose to filter the air entering the nose and nose to prevent harmful gases, odors, droplets from entering and exiting the wearer's nose and nose, made of gauze or paper .
China Epidemic Mask Manufacturers and Suppliers with the Best Price
Anti-epidemic mask is a sanitary product, generally refers to the device worn on the nose and nose to filter the air entering the nose and nose to prevent harmful gases, odors, droplets from entering and exiting the wearer's nose and nose, made of gauze or paper .
Classification of epidemic masks:
When the carrier of some particulate matter is oily, and these substances are attached to the electrostatic non-woven fabric, it will reduce the electrical property and allow the fine dust to penetrate. Purpose of dust. Therefore, each level of the mask series has been divided into three levels: 95%, 99%, 99.97% (ie, 95, 99, 100 for short), so there are 9 categories of filter media.
Second, the EU EN149 standard epidemic masks: