Blowing agent can be used in oil field, concrete, rubber, plastic,fly ash, etc 1. Brief Product Introduction:Foaming agents are all with ... produce bubble, and then form bubbles by the single bubble foam. The essence of foaming agent is its surface activity. No ... . Bubble flushing, profiling, as well as making various foam solution into well like foam mud, fracturing fluids, acidizing fluid, etc.2. The ...