This standard ( Part 1 ) lays down the requirements in respect of physical and performance, packing and marking of protein foam concentrate intended for use with mechanical foam generating equipment for extinguishing fire in flammable liquids other than polar solvents.
IS 4989 Pt.1-1985 history
1986IS 4989 Pt.1-1985 Specification for foam concentrates (compounds) for the production of mechanical foams for fire protection Part 1 Protein foams