Experimental Study on Application Performance of Foamed Concrete Prepared Based on a New Composite Foaming Agent

Table 5

The fitting linear equations of foam relative conductivity with time under different concentrations of xanthan gum.

Surfactant mass ratio	Xanthan gum concentration (g/L)	Fitting linear equations	Fitting degree
mAPG: mSCA = 2 : 1	0.1	y = −0.0241x + 1.2387	0.9783
	0.3	y = −0.0137x + 1.1493	0.9767
	0.5	y = −0.0101x + 1.1353	0.9625
	0.6	y = −0.0104x + 1.1956	0.9814
	0.7	y = −0.0063x + 1.0750	0.9659
	0.8	y = −0.0052x + 1.0605	0.9693
	0.9	y = −0.0035x + 1.0537	0.9686
	1.0	y = −0.0029x + 1.0393	0.9184
	1.1	y = −0.0028x + 1.0363	0.8882

x is the time (min); y is the relative conductivity of the foam.