How to choose the right anti-dust respirator
First, anti-dust respirator can be divided into three grades: KN100, KN95, and KN90 according to the national standard of dust masks. KN stands for dust, smoke, fog, microorganisms, etc., and the value represents the protection efficiency. The larger the value, the better the effect. KN100 anti-dust respirator can meet all kinds of harsh dust environment protection.
Second, consider the airtightness of the anti-dust respirator. A good anti-dust respirator can be perfectly integrated with the face. The sealing effect of general-purpose masks varies from person to person. Therefore, it is recommended that you choose anti-dust respirator of different sizes. This is extremely important.
Third, consider the comfort of the mask. From the material point of view, it is recommended to choose the silicone material for the dust-proof mask, which is softer and more comfortable than other non-silicone materials, and is not easy to cause skin allergic reactions. Masks made of non-silicone materials have higher hardness and are likely to cause facial indentation.
Fourth, we must consider the smooth breathing of the mask. If you choose a dual-filter cotton, dual-filter surface dust mask, this kind of dust mask has low breathing resistance and good air permeability.
The fifth thing to consider is the daily use cost of anti-dust respirator. Some disposable masks, which claim to be one yuan a day, are relatively cheap, but have a low level of protection and poor effect. Compared with duplex masks, although the unit price is high, the protection effect is good and the daily cost is low.
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