Blowing agent can be used in oil field, concrete, rubber, plastic,fly ash, etc 1. Brief Product Introduction ... foaming. 2. Usage and characteristics: 1. The product is with strong bubbles, long life period of ... and can prevent the formation contaminant. The product is mainly used for foam oil mining of ... fracturing fluids, acidizing fluid, etc.2. The product can also be used for concrete, with good ...