Automotive Materials Testing

• Satisfy the material analysis, mechanical properties, aging, thermal, electrical, physical, flame retardant properties, and special performance testing of automotive wire harness products, including wires, terminals, metal accessories, corrugated tubes, tapes, heat shrink tubing, zip ties, etc
• In compliance with the latest regulatory requirements of the European Union, the United States, Canada, and other regions, we provide one-stop testing services for harmful substances in automotive electronic components, wires, cables, and related raw materials, mitigating associated risks. Additionally, we assist enterprises in establishing environmental-friendly supply chain management systems and enhancing quality control over supplier-supplied raw materials.
• It can meet the testing requirements for electrical, mechanical, and climatic environments of products such as original cables, low-voltage wire harnesses, high-voltage cables, multi-core sheathed cables, low-voltage connectors, and RF connectors.

Environmental test items:

High temperature, low temperature, thermal shock, temperature and humidity cycling, vibration, salt spray, combined stress test (three-in-one), aging, dustproofing, sealing, chemical reagents, resistance to battery electrolyte, gas corrosion, etc.

Electrical performance tests:

Insulation resistance, dielectric strength, current cycling performance, contact resistance, temperature rise characteristics, microcurrent connection resistance, etc.

Mechanical property tests:

Wear resistance, low-temperature winding, low-temperature impact resistance, thermal shrinkage, terminal insertion/pulling force, mechanical impact, drop resistance, high-temperature and high-pressure water spraying, slicing, tearing force, wire-to-wire friction, bending force, insulation high-temperature pressure, etc.

Burning tests:

Single vertical combustion test, bundle combustion test, fire resistance test, smoke density measurement, etc.

Chemical and environmental protection testing：

Odors, VOCs, ELVs, and export regulations, among others.

• The institution's qualifications and capabilities in GRGTEST rank among the industry leaders, with CNAS accreditation covering 4,463 items, CMA accreditation encompassing nearly 4,000 parameters, and CATL accreditation spanning 58 categories.
• The institution's qualifications and capabilities in GRGTEST rank among the industry leaders, with CNAS accreditation covering 4,463 items, CMA accreditation encompassing nearly 4,000 parameters, and CATL accreditation spanning 58 categories.

Chemical and environmental protection testing takes 5-7 working days.

Other tests require evaluation based on the specific project and sample quantity.

Automotive wiring harnesses primarily consist of wires, connectors, protective tape, and other auxiliary materials. Serving as the medium for controlling automotive signals, they feature a complex structure and diverse functions, earning them the nickname "the nervous system" of a vehicle. As one of the most critical components inside a car, the quality, safety, and reliability of automotive wiring harnesses are paramount to overall vehicle performance. Failure of the harness-such as signal transmission failures, excessive contact resistance, or short circuits leading to fires-poses significant threats to driving safety. To ensure the quality, safety, and reliability of automotive wiring harnesses and their associated connectors, rigorous testing is essential.

• GRGTEST operates a specialized wiring harness laboratory dedicated to developing testing solutions for automotive wiring harnesses and connectors, advancing theoretical foundations, researching cutting-edge technologies, facilitating market commercialization, and implementing technical applications-capable of fulfilling comprehensive testing requirements across the entire automotive wiring harness industry chain.
• GRGTEST Laboratories in Guangzhou, Shenzhen, Wuxi, Chongqing, Tianjin and other locations have established specialized wiring harness testing capabilities and service teams, serving automotive wiring harness industry clusters across North China, South China, East China and Southwest China, providing localized services.
• GRGTEST has obtained certification from nearly 30 domestic organizations, including specialized approvals for connectors issued by Chery, BAIC Motor, SAIC Maxus, and others.
• GRGTEST boasts a specialized failure analysis team capable of examining defective products and providing corrective recommendations.

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