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With the increasing demands on braking systems from new energy vehicles and high‑performance cars, carbon‑ceramic brake pads have become mainstream due to their excellent thermal fade resistance, lightweight properties, and long service life. ShunCheng New Materials’ high‑purity silicon carbide micro powder (SiC ≥99.6%) for brake pads is one of the core functional raw materials for carbon‑ceramic brakes. The micro powder features angular or near‑equiaxed particles with a particle size distribution concentrated in the D50 3‑15μm range, providing high bonding strength with the carbon matrix (carbon fiber, resin carbon) and forming a stable, continuous mechanical friction layer at high‑temperature friction interfaces.
Carbon‑ceramic brake pads made with ShunCheng’s SiC micro powder maintain a stable friction coefficient (0.35‑0.45) at extreme temperatures of 800‑1200°C with no thermal fade and low braking noise. Moreover, due to the low density of SiC (3.21 g/cm³) and the high porosity design of carbon‑ceramic composites, the overall weight of the brake pad is reduced by about 40‑50% compared to traditional cast iron brakes, effectively reducing unsprung mass and improving vehicle handling and range. Bench tests (SAE J2522) show that the service life of carbon‑ceramic brake pads prepared with ShunCheng’s micro powder exceeds 300,000 kilometers, far surpassing the 50,000‑80,000 km of traditional steel brakes.
ShunCheng offers brake pad micro powder in multiple particle size specifications from D50 0.5μm to 25μm, along with recommendations for particle size gradation optimization according to the customer’s formulation to maximize coating density and friction stability. The product has passed performance validation by several well‑known domestic brake pad manufacturers and has successfully passed European ECE R90 testing. Small‑volume exports have begun to high‑performance aftermarket customers in Germany and Italy.
The company will continue to invest in research on carbon‑ceramic brake materials, working with OEMs and tier‑1 suppliers to develop even higher‑performance braking solutions, pushing the technological boundaries of automotive safety and lightweighting.