Blowing agent can be used in oil field, concrete, rubber, plastic,fly ash, etc 1. Brief Product Introduction:Foaming agents are all with ... bubble, and then form bubbles by the single bubble foam. The essence of foaming agent is its surface activity. No surfactant effect, we ... into well like foam mud, fracturing fluids, acidizing fluid, etc.2. The product can also be used for concrete, with good ...