Am. Soc. Testing Materials, "ASTM Standards," Part 14, (1967), p. 358.
2.
Standards for Safety, "Test Methods for Fire Hazard Classification of Building Materials," Underwriters' Laboratories, Inc. UL273, 3rd Ed. (1960).
3.
Krueger, O.A. , Jr., Lyle, K.C., and Jackson, D.E., "A Chimney Flammability Test for Certain Cellular Plastics," J. Cellular Plastics. Vol. 3, (1967), p. 497.
4.
Levy, M.M., "A Simplified Method for Determining Flame Spread," J. Cellular Plastics, Vol. 3, ( 1967), p. 168. 5. Am. Soc. Testing Materials, "ASTM Standards," Part 14, (1967 ), p. 444.
5.
Vandersall, H.L. , Bums, A.J., and Lyons, J.W., "The Two-Foot Flame Tunnel: Its Use in the Laboratory Evaluation of Fire Resistance and Retardance," Special Report No. 6717, Monsanto Company, Inorganic Chemicals Division, Research Department, St. Louis, Missouri, May 27, 1966.
Dickert, E.A. , and Toone, G.C., "Chemistry and Flame Retardancy of Rigid Urethane Foams," Modern Plastics, Vol. 42, (1965), p. 197.
8.
Krueger, O.A. , Jr., Lyle, K.C., and Jackson, D.E., "A Chimney Flammability Test for Certain Cellular Plastics," SPE 25, ANTEC, Vol. XIII, (1967), p. 1052.
9.
Private Communications with D. E. Jackson, Butler Manufacturing Co.
10.
Hilado, C.J. , "Effects of Flame Variation in ASTM D1692 Flammability Test," J. Cellular Plastics, Vol. 3, (1967), p. 280.
11.
Hilado, C.J. , "Flammability Characteristics of Cellular Plastics ," I&EC, Prod. Res. and Dev., Vol. 6, (1967), p. 154.