... desorption characteristics. It can be used to make air filter, air filter can absorb O3, SO2, NO2 and odor, gas, smoke ... esters, petroleum can adsorption recovery; 2. Air purification: the air filter can absorb the gas, gas (SO2, NO2, O3, NH3, ... batteries, etc.) 9. corrosion, high temperature and insulation materials.Activated carbon fiber felt Features: 1, the specific surface area 800-1600m2 / g ...