How often do N95 masks change
3M masks have many uses. For example, 3M1860 masks can not only effectively prevent the dust and tiny particles in the air from harming the human respiratory tract, but also prevent bacterial infection. There are also many types of 3M masks, such as flat masks, folding dust masks, cup dust masks, etc. So what is the correct way to wear 3M masks? How to properly wear 3M masks to better protect your breathing?
Plane mask wearing method
Flat masks are actually disposable masks, such as 3M1827 masks. These types of medical masks are often used in the medical and health industry. The tightness of the masks is very general, and they cannot be used for anti-fog and dust protection.
1. There are two sides of white and blue, with the white side facing in, the side with the metal strip facing up, and the two lower straps tied behind the neck, and the lower side of the mask must reach the root of the chin;
2. Pull up the upper edge strap, cover the mouth and nose, and tie the two upper straps behind the ear;
3, two index fingers press the wire of the nose, press it close to the nose and then gradually move to the sides to make the mask close to the facial skin;
4. After taking off the mask, put it in a paper bag, wrap it in a trash can, wash your hands in time, and do not reuse it.
How to wear a folding mask
Folding masks are also earband masks, such as 3M9001 masks. This dust mask has a good dust-proof effect, a unique design shape, with a good nose clip and headband, it can better fit the face, and the breathing resistance will be compared. Small and comfortable to wear, the wearing method is as follows:
1. Face the side of the folded dust mask without nose clip towards yourself, and place the nose clip above the mask. You can hold the mask with your left hand and fix it on your face against the chin.
2. The headband above the mask is pulled over the top of the head, located above the top of the head in a line with the top of the ear;
3. Pull the lower headband over the top of the head and fix it under the ears behind the neck;
4, the index finger and middle finger of both hands are placed in the middle of the metal nose clip, while pressing inward, move along the nose clip to both sides until the nose clip is pressed into the shape of the bridge of the nose.
Cupular mask wearing method
Cup-shaped dust mask is the best seal among the three types of masks. It has a concave-convex appearance design. A closed cushion is placed on the nose bridge of the mask to make the wearer more comfortable. The wearing method is as follows:
1. Hold the mask with one hand facing up, with your fingertips at the nose clip;
2, hold the chin under the mask and wrap the nose over it;
3. Fix the position of the mask by hand, the upper headband is fixed on the ear higher behind the head, and the lower headband is fixed below the hard back ear;
4. Similarly, put your two fingers on the metal nose clip, press the nose clip inward from the middle position, and move and press to the sides until the shape of the nose clip is like the bridge of the nose.