GB2890-2022
MF14 gas mask is a headband mask. The mask body adopts silicone injection molding process and has a frosted surface. It can be used with chemical protective clothing. The breathing communication device transmits clear sound with little sound loss. The sealing frame adopts a reverse folding edge structure, which is comfortable to wear and has good dynamic airtightness. It can be used by more than 95% of adult citizens. The main material of the mask is natural silicone, and the face screen is reinforced polycarbonate with surface coating and anti-fog treatment. It has a wide field of view, good optical and impact resistance. Baoming adopts a Yinshui mask structure with good performance. The five-point headband can be adjusted to the appropriate tightness.
1. Technical specifications
1. Protection time: same as the performance of the selected source component (level 2, level 3), see the filter performance and use list;
2. Exhalation valve resistance: <43Pa; Inhalation resistance: <22;
3. Field of view: total field of view: >75%; binocular field of view: >72%; lower field of view: >50%;
4. Mask leakage rate: ≤0.05%;
5. Lens transmittance: ≥89%;
6. Flame retardancy: afterburning time 0s;
7. Dead cavity: ≥1%;
7. Storage period: under specified conditions, the storage period of the mask canister is 5 years.
Safety protection equipment
