Environmental pollution is a hot issue that many people are concerned about, two major cities of our country, Hanoi and Ho Chi Minh City. Ho Chi Minh City is “very lucky” to be among the most polluted cities in the world.
Air pollution and dust are always at a high level, which means that human health will be seriously affected and to protect the health in the best way, the simple way is to choose for yourself. masks worn when traveling on the street. Fine dust mask is a suggestion for everyone.
But to have a smart, lucid and effective choice, you should take the time to share below.
According to recent statistics, the level of air pollution is increasing, especially the PM2.5 dust exposure. Is this information of interest and attention? Together we continue to find out.
PM.25 dust is the most dangerous air pollutant to health, the size of this dust is extremely small, easily attacks the human body.
In two major cities of our country, the dust index always exceeds the permitted threshold. That is why choosing a fine dust mask is more important and necessary than ever.
WARNING WHEN CHOOSING DUST RESISTANCE
Material: You should choose a fine dust mask that can filter out small particles, N95 and N99 respirators are the ones recommended by the US Centers for Disease Control and Prevention to use while living. In cities with high air pollution, the ability to filter dirt, including ultrafine dust up to 95%
Size: To ensure the ability and effectiveness against dirt, you should choose the The face mask has the right size, hugging the face, this will minimize the ingress of dust and dirt into the airways.
Origin: There are many fine dust masks on the market today, but not all types guarantee prestige and quality, so when you choose, choose products with origin, export. country is clear, has quality standards and ensures safety. It is best to choose branded products.
Change the face mask after about 10 days of use as long as you keep it in a dry and hygienic place.
These are notes to help you choose and use the most effective dust mask.
How to distinguish fake activated carbon masks to avoid being fooled
Activated carbon face masks are a very familiar name that has been around for the past 3-4 years, and it becomes really essential when the level of air pollution is always alerted to red. However, there are many types of activated carbon masks that are counterfeited, especially when the selling price of this mask is up to 100,000 – 150,000 VND / unit. Join us to learn about the exact characteristics of activated carbon masks to buy good quality health protection products.
Features of activated carbon masks
Activated carbon used in the export of fine dust masks is processed carbon at a temperature of 900-1000 degrees C in an anaerobic environment, creating a type of carbon. Large capillary structure, increases the contact surface area, low density.
Mask products with integrated activated carbon usually contain activated carbon or are made from activated carbon fiber, with many outstanding features such as preventing dirt, chemicals and harmful gases such as S02, C02, H2S, NH2 …
Fabric: The fabric is soft, the user feels comfortable when worn on, without uncomfortable friction in the contact area, and at the same time, the mask layer is also thicker, bringing higher efficiency for users.
Activated carbon layer inside: Is it really an activated carbon mask or not, users need to check the active layer inside. Make an incision, then forcefully pull the middle layer of the mask with your hand. If it is a real activated carbon mask, the middle layer is very tough, not torn.
Activated carbon masks are divided into two types: Type with fabric woven activated carbon fiber, sewn together and one with activated carbon sheet placed between two layers of fabric. Activated fibers here are fibers impregnated with activated carbon, and only work after a few washing times.
As for masks with the name of activated carbon, but with a rough, hard fabric, separated layers of activated carbon that easily tear or smell bad, they are all fake, poor quality goods, customers should pay attention not to trick. The price of quality activated carbon masks is also more expensive than conventional medical face masks, about 4,000 VND / unit. You can look for a few reputable brands to buy
