Table 12.

EDX result of different area across the thickness of the intumescent geopolymer coating after fire test (sample S7).

Element	Part (a)	Part (b)
	wt.%	wt.%
C	12.62	-
O	54.46	65.92
Na	10.60	21.69
Si	22.04	12.40
Ca	0.28	-