Can n95 masks be cleaned?
Do not wash. At present, the filter cotton of dust masks uses the principle of electrostatic adsorption. Once cleaned, it is easy to damage the filter cotton structure, resulting in poor protection effect.
Due to the frequent occurrence of pneumoconiosis in the high dust industry, it is recommended that all employees working in dusty environments, for your health, be sure to do respiratory protection. Choose a dust mask scientifically, choose a good mask with good protection effect, smooth breathing, and economical use. Helps prevent lung injury.
The way to clean the dust: masks must now implement the GB2626-2006 standard. Dust masks are divided into three grades: KN100, KN95 and KN90. Among them, KN100 can achieve nearly 100% (more than 99.97%) protection of ultrafine dust. For large granularity, KN95 grade can be selected. The protective effect depends on two aspects. The first is the filtration efficiency of filter cotton. The second is the leak rate after the mask is matched with the face.
Therefore, masks must be divided into large and small numbers, and the leakage rate of the face masks and the face varies from person to person.
The way to clean the dust: Scientifically choose dust masks certified by the GB2626-2006 standard to help prevent lung injury.
1. Select the compound half-mask type. Disposable masks are not suitable for long-term or occupational protection due to high air leakage rate.
2. Select KN100 grade. High dust environment and low protection rate will cause physical injury.
3, choose a silicone mask, relatively long life, soft and comfortable. Prolonged wearing will not cause allergic reactions easily. High hardness masks can easily cause facial indentations.
4. Masks are numbered, which is extremely important. It is not recommended to buy those so-called general-purpose masks, which are easy to leak.
5. There are two types of masks covering mouth and nose, covering nose and nose and jaw. The latter is recommended, which is relatively comfortable.
6, it is recommended to choose a smooth breathing mask. Some masks are designed with double filter cotton + double filter surface, which makes breathing relatively smooth and has a long service life.