Fire protection. Fire extinguishing media. Specifications for powders (other than class D powders)|Flow rates, Density measurement, Water-absorption tests, Bulk density, Firefighting equipment, Test equipment, Powder fire extinguishers, Fire safety, Grades (quality), Testing conditions, Fire extinguishing materials, Particulate materials, Sampling methods, Performance, Flow measurement, Compositional tolerances, Performance testing, Agglomeration, Marking, Water content determination, Screening (sizing), Particle size measurement