Blowing agent can be used in oil field, concrete, rubber, plastic,fly ash, etc son-12301. Brief Product Introduction:Foaming agents ... by the single bubble foam. The essence of foaming agent is its surface activity. No surfactant effect, we ... make foam, and it can not become a foaming agent, surface activity is the core of foaming. 2. ... (mm)>120Life period of liquid level (min)≥30 Blowing Agent son-1230