China Filter Comprehensive Gas Mask for Fire Fighting

The item detail information:
Filter comprehensive gas mask is suitable for fire and chemical dangerous substances leakage, biological and radioactive contamination places. It can provide effective protection of the respiratory organs, eyes and facial skin. It can be used for fire fighting special operators and civil defense, industrial, agricultural, warehouse, power system and scientific research, and is a personal protective device to prevent toxic gases from invading the respiratory tract.
Main technical parameters:
1. filter tank
(1) protection time: 30 minutes.
(2) Anti-poisoning objects: military poisons: sarin, cyanhydric acid, hydrogen arsenide, phosgene, diphosgene, chloropicrin, benzene, bromomethane, dichloromethane, Lewis gas, mustard gas, cyanide chloride and so on. Common toxic and harmful gases: organic gases and vapors, benzene, chlorine, acetone, alcohols, aniline, etc. Carbon disulfide, carbon tetrachloride, trichloromethane, bromomethane, chloromethane, nitroalkane, chloropicrin, etc. Ammonia, acidic gases and vapors: sulfur dioxide, chlorine, hydrogen sulfide, nitrogen oxides, phosgene, phosphorus and chlorinated organic pesticides, as well as carbon monoxide, radioactive aerosols, bacterial aerosols, toxic fumes, toxic fogs, dust.
(3) oil mist transmission coefficient < 0.01%
(4) weight < 500g
(5) resistance: at 95L/m, < 900Pa
(6) dust emission is less than 0.12mg
2. full coverage
(1) the leakage coefficient is less than 0.005%.
(2) visual field: total visual field > 70%; binocular vision > 55%; visual field > 35 degrees.
(3) actual dead space < 180mL
(4) weight< 600g
(5) inspiratory resistance < 40Pa
(6) expiratory resistance < 100Pa
3. Protective concentration of toxic gas: sarin 1 mg/L, hydrogen cyanide (HCN) 0.3%, benzene (C6H6) 0.3%, chlorine (CL2) 0.3%, ammonia (NH3) 0.3%, sulfur dioxide (SO2) 0.3%, carbon monoxide (CO) 0.25%.
4. effective storage time: 4 years.