The foam concentrate is a mixture of different raw materials such as solvents, salts, corrosion inhibitors and mainly surfactants. In case of synthetic products, there are two types of surfactants: hydrocarbon chain, which are primarily responsible of foaming capacity and…
Firefighting foam concentrates – the constant evolution: Part 1
In the last decade there have been many advances in foam for firefighting. Since 2001 the multinational 3M ceased to manufacture surfactants and fluorinated AFFF foams due to the ban on PFOS (perfluorooctyl sulfonates), a flurry of development has been…