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Is FFP1 protective dust face mask useful? Does it protect against viruses?

Is FFP1 protective dust face mask useful? Can it be antivirus? It is difficult to find a mask now, many people will find FFP1 or FFP2 masks in purchasing or micro-business, so can such masks play a protective role?

FFP European standard masks are certification standards formulated by the European side and the European Standards Committee for respiratory protective equipment. The reason why the European standard FFP type mask is mentioned here is because the recent promotion on some overseas shopping platforms or some purchasers often sees masks labeled FFP1, FFP2, FFP3 and the like. At the same time, propagandists will say that the effect of FFP1 compared to KN95 or other comparisons will generally have a suspicious attitude towards consumers. Before explaining this issue, I would like to say that the reason why most people will go to find this FFP1 mask, most of the time they want to buy a better mask, and at the same time can not buy N95 mask or KN95 mask, so they will Through the channels of some foreign trade websites, buy European standard masks.

Face mask

First talk about the price, FFP1 or FFP2 or even FFP3 face masks, you will find that their prices are not cheap, even more expensive than N95. But consumers have no choice but to endure the pain and buy such masks. 
Fortunately, after spending the money, the main thing is to understand what kind of mask is this mask and what level of mask is it. The next content is to answer these questions.

First of all, what confuses readers most is, for the virus protection effect, is FFP1 mask or KN95 mask good, FFP2 mask or KN95 mask good, FFP3 mask or KN95 mask good? If you want to understand the protective effect of the European standard FFP type mask or the fire protection effect of the national standard KN, you must first understand the implementation standards of these masks.

The standard of EU masks is to divide the particulate protection filter into two types: solid particle protection and liquid particle protection. What does that mean? That is, the standard setting of the EU masks is to use two kinds 
of substances, solid and liquid, for testing. The transmission rate is tested with NaCL (sodium chloride) and DOP (paraffin oil) aerosols, and the protection classification of the mask is based on the transmission rate , Respectively: FFP1, FFP2, FFP3. That is to say, according to the tested NaCL (sodium chloride) and DOP (paraffin oil) aerosol test permeability, it is divided into P1 (FFP1), P2 (FFP2), P3 (FFP3) three grades.

The minimum filtering effect of FFP1 mask is ≥80%, the minimum filtering effect of FFP2 is ≥94%, and the minimum filtering effect of FFP3 is ≥97%. FFP masks are used to filter oily particulate matter and non-oily particulate matter and other harmful substances. These harmful substances include: harmful aerosols, as well as dust, smoke, mist, poisonous gas and poisonous vapor, etc. So that it will not be inhaled by human breath.

When it comes to summing up, the European standard FFP standard is to use NaCL (sodium chloride) or DOP (paraffin oil) for testing, FFP1 filtering effect is more than 80%, FFP2 filtering effect is more than 94%, FFP3 filtering effect is more than 97% . What can we see from here? It is not difficult to see that the filtering effect is good or bad, FFP3> FFP2> FFP1.

There must be someone who wants to ask, is FFP1 mask good or KN95 mask good? As detailed above, FFP2 theory is better than KN95, then FFP1 has a protective effect of more than 80% on particles and oily particles. If it is only for particles, FFP1 is far from KN90, and it is not as good as KN95 for non-oily particles Protection. The advantage of the European standard FFP is that it contains both particulate matter and oily particles. It is stronger than KN90 and KN95 in industrial environments. KN and American standards in the national standard are for non-oily particles. Therefore, FFP1 is far less than KN95 and KN90 in terms of protection against particulate matter.

FFP1 face mask

But in this special period, wearing FFP1 can also play a protective role. The filtration droplets are between 0.1 microns and 5 microns in diameter, 80% of which are for particles that are 0.3 microns in diameter. Particles larger or smaller than 0.3 are easily intercepted by this mask, that is, they can be intercepted Virus droplets. To be honest, if you are not engaged in medical-related high-risk work, as ordinary people now wear masks such as FFP1, it is much better than the ordinary masks worn by most people.