the recommended range for cotton fabric applications table i______________________________________flannelette cloth evaluation after 50laundering cycles phos nitro n p doc vertical flame add on phorus gen mole test burnsample ratio length inches______________________________________1 32 6 6 55 2 27 0 8 1 22 30 8 5 81 2 11 0 8 1 43 30 8 5 23 1 94 0 8 3 34 35 9 6 38 2 64 0 9 1 45 36 6 5 61 2 55 1 0 4 26 36 2 5 75 2 47 1 0 1 0______________________________________ investigative work included the treatment of curled shreds of wood otherwise referred to a 34 excelsior 34 the prepolymer composition of example 2 was applied to the excelsior with success a quantity of about 150 grams of excelsior was sprayed lightly but covering all surfaces well with the prepolymer composition of example 2 and allowed to dry promptly thereafter an equal application of a 25 aqueous solution of sodium hydroxide was sprayed over the prepolymer application and the treatment was permitted to dry both the treated and some untreated portions of the chips were placed into a blue flame from a bunsen burner for an equal period of time the untreated wood ignited and became ash the treated wood merely charred investigative work with respect to the applicability of the composition of the invention was extended to board lumber which is commonly employed in construction of residential houses in one of these treatments a two by four stud pine wood precisely.