RS-635
ENDURANCE CHAMPION
Temperature Rating
50–800°C
Friction Range
0.40–0.52
Formula Type
Race Endurance
Eco Standard
N/A (Race Only)
Overview
Low-metallic friction material with steel fiber, aramid, graphite carbon, silicon carbide composite. Very high thermal stability, wide controllable range, strong initial bite. Suitable for heavier cars. CEC Race Validated: In 2025 CEC Championship at Tianfu circuit, Hongqi H6 with RS-635 ran 200 min vs PAGID RST3 120 min, with less wear than RST3.
Highlights
- CEC Championship validated — TCS class winner
- 200 min endurance at Tianfu Circuit
- Friction range μ 0.40–0.52 (steel disc)
- 70%+ cost savings vs premium competitors
Performance Profile
Friction Behavior
Friction coefficient (μ) measured across operating temperature range on cast iron (steel) disc. Higher values indicate stronger braking force at a given temperature.
Ideal For
Endurance Racing
200-minute proven duration with minimal wear
Heavy GTC & Touring Cars
Designed for heavier race vehicles
Cost-Conscious Teams
$280 vs $1,000 competitors — 72% savings