DOSEEM Mask Check & Maintenance

Check the mask airtightness:

Wear a mask and cover the interface of the mask with the palm of your hand. Take a few deep breaths without opening the cylinder valve. If you feel breathing difficulties, it means that the  mask has good air tightness, otherwise it is the opposite.

Maintenance:

The mask should be cleaned with mild neutral detergent and disinfectant lotion, then thoroughly rinsed with clean water and dried naturally. Do not soak the mask in alcohol disinfectants for a long period of time and do not use steam for disinfection. Check that the fastenings are in good order.

Tips: 

• The mask should be used after the air supply valve is installed;

• Beard and hair buns can also affect the fit between the mask and the face, thereby affecting airtightness. Therefore, to ensure the cleanliness of the face when wearing inspections;

• Neutral disinfection, sterilization cleaning liquid formulation ratio: use two tablespoons of chlorine bleach and 4 liters of water mixed or 70% ethanol, methanol or isopropyl alcohol solution as a cleaning agent;

• Care must be taken when cleaning the mask. Do not use corrosives or coarse-grained detergents. Avoid using acetone, benzene, banana water, dry-cleaning solvents, strong phenol, wood-tarpaulin, and chloroform to clean the windows, so as To avoid damage or soften the window;

• Equipment must be inspected at regular intervals, and always after use in practice or in an emergency. It should never be stowed when wet or dirty.