Descriptors | Fire extinguishers, Firefighting equipment, Foams, Fire safety, Expansion (deformation), Performance, Surface tension, Spreading, Grades (quality), Sediment, Viscosity, pH, Determination of content, Particulate materials, Viscosity measurement, Temperature, Fire tests, Performance testing, Marking, Chemical properties, Physical properties of materials, Concentrates, Sampling methods, Specimen preparation, Testing conditions |