CS	Chitosan
ATP	Attapulgite
SATP	Acidified attapulgite
THR	Total heat release
TTI	Time to ignition
FIGRA	Fire growth rate index
PHRR	Peak heat release rate
TpHRR	Time to peak heat release rate
LOI	Limiting oxygen index
DI	Deionized water
SEM	Electron microscopy
XRD	X-ray diffraction
EDS	Energy-dispersive spectroscopy
FT-IR	Fourier transform infrared spectroscopy
TGA	Thermogravimetric analysis
UL-94	Vertical burning test
CONE	Cone calorimetry
Raman	Raman spectroscopy