Unifoam High Expansion is a synthetic based foam concentrate for use with air aspirating foam generating equipment; from low to high expansion devices. Unifoam High Expansion produces a stable, long lasting blanket of foam with a very high water retention. It can be used from 0.5% TO 6% depending on the application. It is suitable for three-dimensional fires where total flooding of warehouses, tunnels, mines, and hangars are required.