Isolated Chemical Oxygen Self-rescuer is individual breathing protection equipment which is made based on the principle of oxygen generation by chemicals. Miners use them to self-rescue when it is oxygen-poor or toxic gas threats their life in coal mine.
Protection time(min):Medium labour intensity30min
Sit quietly120min
The oxygen concentration in breath:21%
The Co2 concentration when exhale:3%
The temperature in breath(°C)60°C
Ventilation resistance(pa):196pa
Production weight:1900g