... maximum PAM, one of the best flocculant, is a water soluble high-molecualr polymer with a wide scope of usage. ... fine chemicals, which can be widely used in petroleum, water treatment, paper making, mining, coal washing, medical industry, ... light industry, textile industry, agriculture as well as water conservancy. ITEMINDEXNon-ionicAnionicCationicAppearanceWhite or pale yellow powderWhite or pale ...