Clutch Facing Testing

China's clutch facing industry has gradually matured following the development of automotive transmission systems. In the 1980s and 1990s, with the expansion of the commercial vehicle market, clutch facings—as a core transmission component—entered the stage of mass production. Since the turn of the century, the popularization of passenger vehicles and the upgrading of powertrain systems have driven the industry towards products with higher precision and longer service life. Traditional asbestos materials were gradually replaced by non-asbestos environmentally friendly composite materials, achieving both performance and environmental breakthroughs. In recent years, the rapid penetration of new energy vehicles (NEVs) has placed new demands on clutch facings for conventional internal combustion engine vehicles, including lower rotational inertia, higher torque transmission efficiency, and compatibility with hybrid systems, accelerating the industry's phase-out of outdated production capacity and focus on high-end manufacturing. Currently, China has become a major global supplier of clutch facings, with products covering all vehicle types including heavy-duty trucks, passenger cars, and new energy vehicles.

We have established a testing team specializing in transmission components, offering customized testing services for material properties and transmission compatibility for different powertrain types and operating conditions, helping products develop competitive advantages in reliability and technological innovation.

Testing Products

Clutch Facings for Automobiles

Dry Friction Clutches for Automobiles (Clutch Assembly)

Testing Items

Dimensional tolerance (dimensional deviation)

Flatness

Friction Performance

Bending Performance (Flexural Strength)

Rotational Burst Strength

Hazardous Elements / Heavy Metal Content

Asbestos Content (Quantitative / Qualitative)

Cover Assembly (Clutch Cover) Functional Characteristics

Driven Plate (Clutch Disc) Assembly Functional Characteristics

Clutch Durability and Reliability

Testing Standards

Clutch Facings for Automobiles: GB/T 5764, GB/T 23263, JC/T 2268

Dry Friction Clutches for Automobiles (Clutch Assembly): QC/T 25, QC/T 27

Service Advantages

Specialized in clutch facing performance testing for over 30 years, deeply engaged in core industry technology and standards research.

Lead drafter of the national standard GB/T 5764-2023 "Clutch facings for automobiles".

A long-term strategic service partner for numerous clutch facing manufacturers in Zhejiang, Shandong, and Chongqing, earning extensive industry trust through professional expertise.


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