... and practice, independent research and development of new foaming agent, by the polarity based and nonpolar medium ... the vast majority of nonionic. The main fusel oil foaming agent, flotation oil or industrial chemical waste, smells great ... slurry, coal slurry concentration, apparent, flotation technology and manual operation and other factors will change.INDEXSPECIFICATIONSAPPEARANCEdark brown or ...