4 ms·I've heard that break dust is also really carcinogenic.by tcmart14 3y agoI've heard that break dust is also really carcinogenic.sonofhans 3y agoBrake pads used to be made of asbestos, but that’s been phasing out since the 1990s. Now it’s pretty rare.tcmart14 3y agoGotcha, so the newer materials are not as bad then, I am guessing?