- Author
- Robertson, A. F. | Lee, T. G.
- Title
- Method for Application of Powders to Test Fires.
- Coporate
- National Bureau of Standards, Gaithersburg, MD
- Report
- NBS 5972, July 14, 1958, 9 p.
- Distribution
- AVAILABLE FROM: National Archives, Civilian Records, Room 2800, 8601 Adelphia Road, College Park, MD 20740-6001, Telephone: 301-713-7230
- Contract
- NBS-PROJECT-1002-11-4873
- Keywords
- powders; test fires
- Abstract
- A device is described which permits controlled application of dry powders to flammable liquid test fires. Measurements have been made with its use in studying the relative extinction efficiency of commercial dry chemical and potassium oxalate monohydrate. It is shown that the relative quantities of these powders required for extinguishment of 6-in. diameter n-heptane fires are quite similar to those previously found necessary for fires of about 1-in. diameter.