The Green, Orange and Red paints are applied to the outside edge of the brake disc and will give a good indication of the maximum temperatures by changing colour.
The three different paints that are used :-
- Green paint : Turns to White at 430°C.
- Orange paint : Turns to Yellow at 560°C.
- Red paint : Turns to White at 610°C.
These paints are available in a kit which includes three brushes and a thinner for cleaning.