01
Checkpoint 01
Friction coefficient & temperature fade (SAE J2522 / J661)
Dynamometer and Chase testing evaluate friction coefficient stability across cold, pre-burnish, high-speed snub, and severe thermal fade cycles up to 650°C.
Laboratory capability
Brake Pad Testing & Engineering Verification
In-house testing facilities and accredited laboratory procedures support formulation evaluation, physical property testing, and performance validation according to international SAE, ISO, and ECE standards.
Explore factory processFactory / 01
01DynamometerFull-scale inertia brake dynamometer
02Friction testChase machine (SAE J661) & AK Master
03Mechanical testShear strength (ISO 6310 / SAE J840)
04EnvironmentalSAE J2975 Copper-Free Level N
Process Control
Brake Pad Testing & Engineering Verification
Each stage connects factory activity with the control point a professional buyer needs to verify.
02
Checkpoint 02
Shear strength & structural bonding (ISO 6310 / SAE J840)
Hydraulic shear testing verifies bond strength between friction compound and steel backing plate, ensuring resistance against delamination under extreme mechanical load.
03
Checkpoint 03
Noise, vibration & harshness (NVH) review (SAE J2521)
Acoustic testing evaluates high-frequency brake squeal, judder, and vibration damping across varying temperature, humidity, and brake pressure spectrums.
04
Checkpoint 04
Physical & chemical properties verification
Continuous testing of pad compressibility, Rockwell hardness, specific gravity density, thermal expansion, and loss-on-ignition (LOI) to guarantee batch-to-batch consistency.
05
Checkpoint 05
Reference-specific traceable test reports
Upon project sign-off, customers receive comprehensive test data packages, friction curves, and Certificates of Analysis (COA) matching their specific part numbers.
In-House Laboratory & Testing Protocols
Engineering Dynamometer & Material Quality Matrix
Every formulation and production batch undergoes strict in-house laboratory evaluation under SAE, ISO, and ECE R90 international test procedures.
Full-Scale Inertia Dynamometer Testing (AK Master)
Simulates real-vehicle deceleration across 100°C–650°C, verifying friction stability, high-speed sensitivity (up to 200 km/h), and thermal recovery.
Engineering Benchmarks vs. Heng Yu Actual Values
Test ParameterStandard RequirementHeng Yu Actual Result
Friction Coefficient Range (μ)0.35 – 0.48 μ Stable0.38 – 0.42 μ (Consistent)
High-Temperature Fade (650°C)μ Fade < 25%μ Fade < 14% (High Recovery)
Speed Sensitivity (50 vs 180 km/h)Δμ < 0.08Δμ = 0.03 (Predictable)
Laboratory Apparatus:Link Engineering / In-House Full-Scale Inertia Dynamometer
Test Deliverables & Documentation
Full-scale dynamometer torque & temperature curves
Speed-sensitivity deceleration response chart
Hot recovery performance certificate
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