A foaming agent is a material that facilitates formation of foam. The term refers to either:
- A surfactant, which, when present in small amounts, reduces surface tension of a liquid (reduces the work needed to create the foam) or increases its colloidal stability by inhibiting coalescence of bubbles or
- A blowing agent, which is the gas that forms the gaseous part of the foam.
Read more about Foaming Agent: Surfactants, Blowing Agents
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