Perimeter Solutions Solberg SCTF3045 Training Foam 1 Litre (Box of 10). Solberg SCTF is a super concentrated training foam designed for economical cold and hot training exercises. The product is packaged as a one liter bottle of super concentrate. After adding the contents of the bottle to water, the mixture is proportioned through air-aspirated or non-air-aspirated equipment. The resulting foam can be used for cold training exercises to allow crews to become familiar with their equipment with minimal environmental impact. In addition, the foam can be used for hot training exercises on hydrocarbon, non-water miscible fuels.