Why can't masks with breathing valves be taken on airplanes? What kind of garbage do used masks belong to?

A mask is a sanitary product, generally worn on the nose and mouth to filter the air entering the nose and mouth, so as to block harmful gases, odors, droplets, viruses and other substances. It is made of gauze or paper. Friends who often fly know that breathing valve masks cannot be brought on board. Why is this? Do you know?

Contents of this article

1. Why can't masks with breathing valves be carried on airplanes?

2. What kind of garbage do used masks belong to?

3. Is it necessary to wear two masks?

Why can't masks with breathing valves be taken on airplanes?

The exhalation valve of a respirator-type mask is a one-way valve. Since there is no filter layer when exhausting, if an infectious person wears a respirator with a respirator, the people around him or her may still be at risk of infection. For the safety of others, respirators with respirators are not allowed on board aircraft.

A mask is a sanitary product that can block harmful gases, odors, droplets, viruses and other substances. It is made of gauze or paper and other materials.

Disposable medical masks are divided into three layers: the outermost layer is a water-blocking layer, the middle layer is a filter layer, and the inner layer is a moisture-absorbing layer. The moisture-absorbing layer can absorb the moist air exhaled from the mouth and nose to keep the mask dry.

First, unfold the reserved layer of the mask's curvature, fix the mask to the face through the ear straps, completely covering the mouth, nose, and jaw, then pinch the metal strip above the bridge of the nose to make it fit tightly against the bridge of the nose, and finally adjust the chin area.

What kind of garbage do used masks belong to?

Used masks belong to other garbage or medical waste. Masks used by healthy people can be put into other garbage bins according to the requirements of household waste classification. Masks worn by patients and doctors cannot be discarded at will, but should be regarded as medical waste and handled strictly according to the relevant procedures for medical waste.

A mask is a sanitary product, generally worn on the mouth and nose to filter the air entering the mouth and nose to block harmful gases, odors, droplets, viruses and other substances. It is made of gauze or paper and other materials.

Masks can be divided into air-filtering masks and air-supplied masks.

Masks sold on the market are generally divided into two types: rectangular and cup-shaped.

Is it necessary to wear 2 masks?

No need. Wearing two masks will not only affect the air tightness of the mask, making it impossible to discharge the exhaled gas smoothly, but also hinder the human body's inhalation, increase the breathing resistance and increase the risk of infection. Wearing two masks cannot provide a good protective effect and has a certain impact on the human nasal membrane.

Disposable masks (medical surgical masks): can prevent respiratory infections to a certain extent. There are three layers in the mask, from the outside to the inside, namely the waterproof layer, the filter layer, and the comfort layer.

N95 masks: can effectively prevent respiratory infections and droplet infections caused by splashes of body fluids or blood of patients. Compared with medical surgical masks, N95 masks are more airtight.

Ordinary cotton masks: The materials may be cotton, gauze, wool, canvas and velvet, etc. Because the material itself is not dense enough, it cannot prevent infection.