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Cleaning of FFP2 masks and FFP3 masks

Release time: 2021-03-10

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Cleaning of FFP2 masks and FFP3 masks

Cleaning of FFP2 masks:

The outer layer of the FFP2 mask often accumulates a lot of dust, bacteria and other dirt in the outside air, while the inner layer blocks the exhaled bacteria and saliva. Therefore, the two sides cannot be used alternately, otherwise the dirt on the outer layer will be directly on the mask. When not wearing it, it should be folded and placed in a clean inside, replaced with a side close to the nose and mouth, and folded inward. Don't just stuff it in your pocket or hang it around your neck.


FFP2 masks are similar to N95 and KN95 masks and cannot be cleaned. Because it gets wet, the mask will release static electricity, and it cannot absorb dust with a diameter less than 5um.

High-temperature steam disinfection is similar to cleaning. Water vapor will also cause static discharge, which will cause the mask to fail.


KP302 Face Mask


If there is ultraviolet light at home, you can consider using an ultraviolet lamp to sterilize the surface of the mask to prevent accidental contact with the surface of the mask and cause pollution. High temperature can also be sterilized, but masks are usually flammable materials. High temperature may also cause masks to burn and cause safety hazards. It is not recommended to use ovens and other facilities for high-temperature disinfection.


Cleaning of FFP3 masks:

The outer layer of the FFP3 mask often accumulates a lot of dust, bacteria and other dirt in the outside air, while the inner layer blocks the exhaled bacteria and saliva. Therefore, the two sides cannot be used alternately, otherwise the dirt on the outer layer will be directly contaminated. When the mask is not worn, it should be folded and placed in a clean inside, replaced with a side close to the nose and mouth, and folded inward. Don't just put it in your pocket or hang it around your neck.


GLT01 Face Mask


Therefore, it is best to prepare a few more masks, replace them with one another, and wash them once a day. When washing, it should be scalded with boiling water for 5 minutes.

FFP3 masks should be cleaned and disinfected every day. Both gauze masks and air filter masks can be disinfected by heating. The specific approach is:


1. Cleaning. First rub the gauze mask gently with warm water and soap. The bowl-shaped mask can be dipped and rinsed with a soft brush and gently brushed, and then rinsed with clean water. Please be careful not to rub it hard, because if the warp and weft gap of the gauze is too large, it will lose its anti-dropping effect.


2. Disinfection. Soak the cleaned mask in 2% peracetic acid solution for 30 minutes or boil it in boiling water for 20 minutes or steam it in a steamer for 15 minutes, and then dry it for later use. This method is suitable for gauze masks and bowl-shaped masks.


K9210 Face Mask


3. Check. Before using again, you should carefully check whether the masks and masks are still intact. For both gauze masks and masks, you can use the transmission inspection method, that is, take a look in front of the lamp to see if there are obvious light spots, and the light transmittance of the middle part and the edge part. Is it consistent? If in doubt, replace it with a new one. In any case, masks and masks are generally updated after cleaning 3 to 7 times, and masks of particularly good quality can be cleaned 10 times. Activated carbon adsorption masks should pay attention to regular replacement of the activated carbon interlayer. If the activated carbon interlayer is not replaceable, it must be replaced after 7 to 14 days. This type of mask cannot be reused after cleaning.

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