Service Content
Plan Recommendation
Service Scope
Including but not limited to: vehicle center console & display screen; instrument panel/door panel interior/side panels/secondary instrument panel; airbag module; front and rear plastic/metal bumpers; roof; carpet; trunk rack; roof panel; body panel; four-door design with two covers; side mirrors, etc.
Test Standards
- GB/T 28046.2-2011 & ISO 16750-2-2012 Road Vehicles – Environmental Conditions and Tests for Electrical and Electronic Equipment, Part 2: Electrical Load
- GB/T 28046.3-2011 & ISO 16750-3-2012 Road Vehicles – Environmental Conditions and Tests for Electrical and Electronic Equipment, Part 3: Mechanical Load
- GB/T 28046.4-2011 & ISO 16750-4-2010 Road Vehicles – Environmental Conditions and Tests for Electrical and Electronic Equipment, Part 4: Climate Load
- GB/T 28046.5-2013 & ISO 16750-5-2010 Road Vehicles – Environmental Conditions and Tests for Electrical and Electronic Equipment, Part 5: Chemical Load
- IEC 60068-2-60:2015 Flowing Mixed Gas Corrosion Test
- QC/T 804-2014 Passenger Vehicle Instrument Panel Assembly and Sub-instrument Panel Assembly
- GB/T 16422.2-2014 & ISO 4892-2:2013 Plastic – Laboratory Light Exposure Test Method, Part 2: Introduction to X-Arc Lamps
- GB/T 3979-2008 Measurement Methods for Object Color
- DIN 75220-1992 Aging of Automotive Components in Solar Environment Simulation Units
- GB/T 19949.2-2005 Road Vehicles – Airbag Components, Part 2: Testing of Airbag Modules
- ISO 12097-2-1996 Road Vehicles – Airbag Components – Part 2: Testing of Airbag Modules: Establishes uniform test methods and requirements for airbag modules in road vehicles
- Q JLY J7110368A-2011 Technical Specifications for Side Airbags
- CCGF606.9–2015 Automotive Interior Materials
- QC/T 1029-2016 Polypropylene Honeycomb Panel Products for Automobiles
- GB 8410-2006 Combustion Characteristics of Automotive Interior Materials
- QC/T 216-2019 Industry Standard for Automotive Carpets
- ISO/PAS 11154-2006 Road Vehicles – Roof Load Carriers
- GB/T 10485-2007 Environmental Durability of External Lighting and Light Signal Devices for Road Vehicles
- QC-T-531-2001 – Automotive Rear Mirrors
Test Items
1. Center console & display products: Vibration, mechanical impact, free fall, low temperature, high temperature, rapid temperature change, temperature step, temperature shock, constant humid heat, alternating humid heat, combined temperature-humidity cycling, combined temperature-vibration test, salt spray resistance, solar radiation exposure, chemical reagent testing, and harmful gas corrosion tests-all test items are specified.
2. Dashboard/door panel/side panel/secondary dashboard products: high-temperature aging, low-temperature testing, temperature cycling, vibration testing, xenon lamp aging testing, color difference measurement, sunlight simulation, NVH modal frequency testing, and operability tests.
3. Airbag Module: Fall test, dust exposure test, light exposure test, airbag inflation pressure test, mechanical impact test, combined temperature and vibration test, hot and humid cycle test, salt spray test, temperature shock test, and airbag ignition test (including items from the aforementioned package).
4. Automotive front and rear plastic (metal) bumper products: vibration testing, impact testing, sunlight simulation, walk-in environmental chamber aging, operability testing, disassembly testing, stiffness testing, strength and durability testing, as well as shape deformation and dimensional measurement.
5. Roof: Pull-out test, peel strength test, photo-degradation test, stain resistance test, wear resistance test, sound absorption and insulation test, high-temperature resistance test, water leakage test, light transmittance test, thermal insulation test, impact test, high-temperature baking test, flatness test, combustion characteristics test, and non-standard tests.
6. Carpet: Total mass per unit area, compression percentage, compression modulus, combustion characteristics, lightfast color fastness, thickness, breaking strength, elongation at break, trapezoidal tear strength, water-fast color fastness, water absorption dimensional change rate, thermal dimensional change rate.
7. Bag rack: static testing, dynamic testing, corrosion resistance testing, impact testing, material testing, and external shape evaluation.
8. Headlights: tested under conditions including low temperature, high temperature, temperature fluctuations, constant humid heat, alternating humid heat, combined temperature-humidity cycles, combined temperature-vibration stress, dust-proofing, waterproofing, salt spray resistance, light source irradiation testing, vibration testing, and electrical performance testing.
9. White body, four-door and two-roof configuration: high/low temperature testing, vibration testing, opening/closing durability testing, and stiffness testing.
10. Rear-view mirror: vibration resistance, moisture resistance, temperature resistance (high/low), weather resistance, impact cushioning performance, and corrosion resistance.
Qualifications
- Over 20 laboratories in Shanghai, Guangzhou, Shenzhen, Dongguan, Wuxi, Beijing, Tianjin, Hangzhou, Chongqing, Chengdu, Changsha, Wuhan, Xi'an, Nanchang, Changchun, Shenyang, Kunming, Nanning, Qingdao and other cities have obtained CNAS-certified testing qualifications.
- The institution holds 1,990 CMA-accredited certifications and CATL-accredited certifications covering 55 categories.
Test Cycle
Given the diversity and uncertainty of interior and exterior testing requirements, GRGTEST flexibly determines the optimal testing schedule based on the client's test specifications and sample quantity.
Service Background
During use, automobiles undergo qualitative changes due to environmental factors-aging, deformation, or damage from accidents-which progressively degrade their technical condition. To ensure safer operation of these premium vehicles, interior and exterior testing has become a critical phase in the manufacturing process. Such evaluations enable automakers and component suppliers to rapidly enhance part performance, meet stringent quality and safety standards, and provide consumers with reliable protection.
Our Strengths
Manufacturer Endorsement
Over 30 original equipment manufacturers (OEMs)have endorsed the service, covering mainstream domestic independent brands as well as automotive enterprises from Europe, America, Japan, and South Korea.
One-Stop Service
With comprehensive testing capabilities, the service provides support throughout the entire product life-cycle.
Differentiated Solutions
The service offers support for standard development, IT infrastructure development for quality inspection industries, failure analysis with improvement recommendations, tooling and fixture design, customized capability building, and on-site service solutions to address clients' specific challenges.
Service Network
Leveraging the nationwide automotive industry layout, GRGTEST operates over 20 laboratories across all regions, enabling centralized resource allocation for convenient client testing services.
FAQ
Q: What products are included in automotive interior and exterior trim?
A：(1) Automotive interior products: instrument panel, sub-instrument panel, seats, door inner panels, ceiling, interior trim components (door interiors, roof interiors, pillar interiors, side and front/rear trim), steering wheel, floor mats, floor coverings, trunk, sunshades, storage compartments, ashtrays, coat racks, gearshift, center console, safety information display system, automotive electronic systems, interior lighting systems, interior acoustic systems, interior modification services, interior restoration and repair services, automotive sealing technology products, interior accessories, car carpets (foot mats), seat cushions, child seats, seat covers, handlebar covers, armrest boxes, headrests, seat belts, anti-theft locks, sun shades and decorative items, surface coatings, curtains, sun protection products, car covers, etc.
(2) Automotive exterior products include: bumpers, headlights, vehicle windows, wheel rims, roof panels, fenders, side panels, grille trim panels, hood covers, rearview mirrors, wipers, rubber trim strips, and body decorations.
Q: What are the common test items and classifications included in automotive interior and exterior testing?
A：(1)Material & Mechanical Property Testing: Wear resistance, tensile testing, bending testing, compressive performance, permanent compression deformation, hardness testing, drop impact test, hammer impact test, operating force testing, vibration testing, collision testing, drop testing, comprehensive three-test method, rockfall impact test, etc.
(2)Aging Resistance Testing: High-temperature aging, low-temperature aging, alternating wet-heat testing, constant temperature and humidity testing, temperature shock, temperature-humidity cycling, wet-heat testing, UV lamp aging, xenon lamp aging, carbon arc lamp aging, ozone aging, etc.
(3)Corrosion Resistance Testing: Salt spray corrosion, mixed gas corrosion, acid resistance, alkali resistance, solvent resistance, etc.
(4)Combustion Performance Testing: Horizontal combustion, vertical combustion, automotive interior combustion, oxygen index, etc.
(5)VOC Testing: Key methods include chamber method, bag method, odor analysis, atomization testing, formaldehyde measurement, total carbon determination, VDA 278 standards, etc.
(6)ELV Testing: Lead, cadmium, mercury, hexavalent chromium, polybrominated biphenyls (PBBs), polybrominated biphenyl ethers (PBDEs), phthalates, polycyclic aromatic hydrocarbons (PAHs), asbestos, etc.
Q: What preparations are required before commissioning testing, and what about the costs?
A：For commissioned testing, specify the sample status, corresponding test outline/test plan, test parameter conditions, and testing standards in advance. Regarding testing costs: evaluate them based on the specific type of test items.
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