Probably why Button was having problems with smoke from the brakes in qualifying.riff_raff wrote:While I am not intimately familiar with the CRC materials used on current F1 cars, I do know that a few years back the CRC brake rotor and pad materials used had a fairly similar wear rate. And the thickness of each was just adequate to last the race distance without becoming thin enough to fail structurally. Of course, one issue resulting from the pads and rotors becoming thinner as the race progresses is that their thermal mass is reduced, and this will affect their heat transfer properties and operating temps.