Fig. 15

Linear correlation between Log(ZSV) and FTIR aging index for the sample group of (a) 40–50; (b) 60–70; and (c) 85–100 base binder.

Linear correlation between Log(ZSV) and FTIR aging index for the sample group of (a) 40–50; (b) 60–70; and (c) 85–100 base binder.