Depressant, Polymer Polyacrylamide, Mineral Processing manufacturer / supplier in China, offering Depressant D486 :Designed to suppress the reactivity of carbon minerals, including graphite, organic., STQ33: A High-Performance Frothing Agent for Non-Ferrous and Rare Metal Flotation, Q25:Frother for Copper Gold Mines Contain Talc High Clay Content and so on.