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Posts Tagged: brake dust on wheels

What causes brake dust to form on your wheels?

What causes brake dust? Brake dust particles are formed by the degradation of brake materials during  high force high temperature braking You many think that brake dust is just ground up cast iron from the rotors. Certainly, some of it is iron oxide from brake rotor wear. But the rest of the particles come from the brake pad’s friction material. What’s in brake pad friction material? Depending on the type of friction material; non-asbestos organic (NAO), semi-metallic, or ceramic, brake pads contain a combination of these raw materials: zirconium silicate … Read More

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