... 900/1000ASH(%)MAX:12/15/18 Activated carbon is porous carbon material. Due to highly developed porous structure ... as catalyst or catalyst carrier.Coal-based activated carbon for solvent recovery is mainly used for ... ether, ketone, alcohol, tetrahydrofuran, methane dichloride, chloroform, trichlorethylene, carbon disulfide, benzene, toluene, gasoline, and hydrocarbonSpecificationsCertificate: NSF in USA ...