Table 1.

Linear fit curve data.

Additives	Linear Fit Curve	Absolute Value of the Slope of the Linear Fit
water	y = −0.00995x + 1.56272	0.00995
1% CMC-LV	y = −0.1069x + 9.5664	0.1069
0.5% PAC-LV	y = −0.0954x + 7.7330	0.0954
0.2% XC	y = −0.1784x + 24.4961	0.1784
0.2% PLUS	y = −0.2311x + 24.3801	0.2311
2% SDJA	y = −0.0181x + 2.0079	0.0181
0.2% XY-27	y = −0.0123x + 1.6260	0.0123