Definition(s)
Synthetic Foam Concentrate (S)
Synthetic foam concentrate (S) is a foam concentrate based on a mixture of hydrocarbon surface active agents and which may contain fluorocarbons with additional stabilizers.
Source: IMO MSC.1/Circ.1312, Revised Guidelines for the performance and testing criteria, and surveys of foam concentrates for fixed fire-extinguishing systems, 10 June 2009, International Maritime Organization. Regulatory Guidance