Kinda related to this thread - what exactly is it that turns oil from a golden color to black? I know it loses its viscosity over time, but I’m looking for a technical explanation for the color change (not “it gets dirty” :).
Kinda related to this thread - what exactly is it that turns oil from a golden color to black? I know it loses its viscosity over time, but I’m looking for a technical explanation for the color change (not “it gets dirty” :).