The method, use and maintenance of filter-type gas mask

Wearing method
When wearing a gas mask, the user must first select the appropriate mask according to the size of his head. When wearing a gas mask, adjust the middle and upper headbands to appropriate positions, release the headband, grasp the sides of the mask with both hands, hold your breath, close your eyes, and cover the chin with the chin, and both hands are backwards. Hold the front strap firmly on the top, wear the top cover from the bottom up, and tighten the headband so that the mask and the face do fit together. Then breathe deeply and open your eyes.

The method of checking the airtightness of the mask is: use both hands to block the breathing valve body from the air inlet and outlet, and then take a breath. If the mask is close to the face, there is no leakage, otherwise the cause should be found and the position should be adjusted until airtight. .

When wearing, care should be taken not to allow the headband and hair to be pressed into the mask frame or to allow the headband claw of the mask to bend into the mask. In addition, the user should shave their beard clean before wearing the mask.

Use and maintenance:
1 When using the mask, wear it up from the chin and adjust the headband properly. After wearing the mask, use your palm to block the air intake of the filter cartridge and inhale it. The mask and the face will not leak, indicating that the mask has been worn. Gas-tight, you can work in hazardous areas.
2 After the mask is used, wipe away all sweat and dirt, especially the lenses, exhale the valve, and keep the suction valve clean. If necessary, flush the mask with water and clean the filter box.
3 If used in contagious viral environment, the mask and filter box can be wiped with 1% peracetic acid disinfectant, cleaned and disinfected, if necessary, the mask can be soaked in 1% peracetic acid disinfectant, but the filter box can not be Soaking, but also can not enter the water in case of failure. After being disinfected with disinfectant, wipe it with clean water and dry it before use.

China Labor Insurance Network