Masks and things to know if you do not want to harm yourself

The fact is, fabric masks are the least effective but most used type of dust filter!

With cheap prices, diverse designs, trendy, it is not difficult to get a mask on hand. But whether that mask really protects you or not is another story!

A mask is the most common item when traveling.(Internet photo).

Currently on the market there are popular masks such as cloth masks, medical masks, activated carbon masks, N95 masks . Of which fabric masks are popularly sold and used by many people. Most because of cheap and diverse designs, fashion.

In fact, this is the least effective mask because according to experts, they only filter dust that is larger than 2 micrometers (in other words, cloth masks only filter 20 to 30% of dirt). Therefore it is not possible to prevent airborne diseases.

Dust masks like?

Dust will be filtered through the mask.(Photo mi4vn).

The effectiveness of the dust filter on all types of uniforms depends mainly on the size of the dust or bacteria that it can prevent, the smaller the filter size, the greater its effect. This depends on the material used in the mask and the number of layers it filters .

The more antibacterial the material is, the more toxic gas it will absorb, like the activated carbon or the more dust-filtering layers like medical masks, the higher its filtration efficiency.

In addition, wearing a mask properly (wearing a tight face) or paying attention to the expiry date (some masks should be used only a few times), not allowing the mask to be contaminated (put in the pocket of the pants) also contributes not to Small to respiratory prevention capacity of the mask.

The use of contaminated masks (due to the breath, sweat attached to create favorable conditions for bacteria, fungi to grow) or overuse (such as activated carbon masks) will become harmful. for you than the protective effect.

Filtering ability of common mask types

The size of dust or bacteria that the respirator can filter depends on the type of respirator as mentioned above, here we will learn some of the popular masks that are widely sold and used in the market. school.

1. Cloth mask

This type of dust mask is the least effective but it is used the most, with 2 to 3 layers of cloth but not activated carbon dust so this mask can only filter up to 20 - 30% dirt with the minimum size it can filter is 2 microns.

Smaller dust particles such as car exhaust are completely "helpless", germs or bacteria that can spread in the air easily penetrate through cloth masks.

2. Medical masks

This is a mask that can protect you from dust intrusion and avoid the ability to infect bacteria and diseases through the respiratory tract.

Although it looks very thin, it is manufactured using very special materials and technology, the newspaper consists of 3 layers of nonwoven and carefully sterilized.

3. Activated charcoal mask

This is also a medical mask so it can help users not only shield from dust in the air but also protect users from many respiratory diseases.

Active fibers in masks will adsorb gases, toxic gases in the air. However, this effect will decrease with the number of uses

4. American N95 mask

N95 respirators are certified by the National Institute of Occupational Safety and Health (NIOSH) as a standard medical mask.

N95 is also a kind of activated carbon mask, but can filter over 95% of dust, bacteria and pollutants. It can even filter out PM2.5 super-fine and toxic dust.

Choosing a mask appropriate for the environment is a way for you to protect your health and those of your loved ones.

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