Synthesis of Fluorocyclotriphosphazene Derivatives and Their Fire-Retardant Finishing on Cotton Fabrics

Table 3

Fire-retardant agent concentration/%	Afterflame time/s	Afterglow time/s	Burning char length/cm	Breaking strength/N (weft)	Whiteness/%
20	7	0	13.9	225.6	83.37
25	6	0	12.5	220.7	82.85
30	4	0	10.4	212.4	82.34
35	3	0	8.9	206.5	81.98
40	2	0	7.8	199.5	81.35