Laboratory Automotive Wash Scrub Test Bench is a specialized testing apparatus designed to simulate
WhatsApp : +86 15601902607
Email : info@qinsun-lab.com
Laboratory Automotive Wash Scrub Test Bench is a specialized testing apparatus designed to simulate the automated vehicle washing process under laboratory conditions. Through a controlled system of brushing, water spraying, and cleaning solution circulation, it subjects automotive coating systems to repeated scrub washing. This evaluates the coating system's scratch resistance and appearance retention capabilities under actual car wash conditions. The equipment provides reliable experimental evidence for coating durability, appearance changes, and quality stability.
The Laboratory Automotive Wash Friction Test Bench is widely applied in the following fields, covering standard testing requirements comparable to peer equipment:
- Automotive body and component coating systems
- OEM and refinish paint systems
- Automotive exterior plastic and trim components
Automotive clear coat and pigmented paint systems
Industrial coating scrub resistance evaluation
New material and process coating R&D validation
Coating durability and appearance degradation studies
Automotive OEM and parts supplier laboratories
Third-party testing agencies and research institutions
The equipment meets the testing requirements of the following relevant standards, presented in logical sequence according to GB/ISO/international standards:
BS ISO 20566 Paints and varnishes — Determination of scratch resistance of coating systems by laboratory car wash
ISO 20566:2021 Paints and varnishes — Determination of scratch resistance of coating systems by laboratory car wash
ISO 13076 Visual assessment of the appearance of coated surfaces
ISO 2813 Determination of gloss of coatings
ISO 13803 Determination of haze of coatings
ISO 7724 Color measurement and color difference evaluation
| Item | Technical Parameter |
|---|---|
| Test Chamber Structure | Integrated structure |
| Chamber Material | #304 Stainless Steel |
| Test Chamber Door | Transparent material, 3 independently movable panels |
| Fixture Platform Drive | Servo motor |
| Platform Running Speed | (5.0 ± 0.2) m/min |
| Platform Limit Protection | Dual proximity limit switches |
| Nozzle Quantity | 1 on each side (left and right) |
| Nozzle Material | 316 Stainless Steel |
| Spray Angle | 65° |
| Working Pressure | (300 ± 50) kPa |
| Nozzle Flow Rate | (2.2 ± 0.2) L/min |
| Water Tank Capacity | 80 L |
| Water Replenishment Method | Automatic water replenishment |
| Water Tank Function | Liquid level control, overflow port |
| Agitation Method | Built-in stirring device |
Integrated Stainless Steel Construction
The test chamber features an all-stainless steel #304 construction, offering excellent corrosion resistance and long-term stability, suitable for prolonged wet operating conditions.
Transparent Movable Test Doors
Three transparent, independently movable test doors facilitate real-time observation of the test process, enhancing experimental safety and controllability.
Optimized Drainage and Cleaning Design
The bottom V-shaped funnel structure enables rapid drainage after testing and facilitates internal cleaning of the equipment.
Replaceable Brush System
Removable brush design allows individual replacement of worn brushes, reducing maintenance costs.
Wear-Resistant Fixture Platform Design
Angled structures on both sides of the fixture platform minimize additional wear on brushes during platform movement.
Flexible Fixture Adaptability
Platform includes pre-drilled mounting holes for custom fixtures tailored to various sample dimensions.
High-Consistency Spray Washing System
Dual nozzles alternate spraying direction relative to platform movement, enhancing cleaning uniformity and repeatability.
Safe and Reliable Water-Electrical Separation Design
Waterproof baffle atop the water tank prevents liquid splashes from causing electrical damage, improving operational safety.
| Category | Name | Description |
|---|---|---|
| Standard Accessory | Test Fixture Platform | For sample fixation |
| Standard Accessory | Removable Brush | For simulating car washing scrubbing |
| Standard Accessory | Nozzle Assembly | 316 material, dual nozzles |
| Standard Accessory | Cleaning Water Tank | 80 L capacity |
| Standard Accessory | Stirring Device | For cleaning solution mixing |
| Consumable | Brush | Replaced based on usage |
| Consumable | Cleaning Solution | Prepared according to test requirements |
The laboratory automotive wash abrasion test bench simulates the brushing, water spraying, and cleaning solution circulation conditions of an actual automatic car wash. It subjects the coating surface to repeated friction by brushes operating at preset pressure and speed.
During testing, cleaning solution is uniformly sprayed onto the specimen surface via nozzles. This, combined with the brushing action, creates a stable, repeatable abrasive wash environment.
By measuring and evaluating post-test changes in surface scratches, gloss, haze, and color, the test comprehensively assesses the coating system's scratch resistance and appearance retention performance.
Operating Instructions:
Before testing, ensure the test chamber interior is clean, the water tank level is normal, and the cleaning solution ratio meets test standard requirements.
After installing the brushes, check the vertical clearance between them and the test platform to prevent abnormal contact that could damage the equipment or samples.
Before operating the fixture platform, verify that the limit switches are functioning correctly to prevent over-travel.
Different standards may specify variations in test cycles, cleaning solution composition, and evaluation methods. Clearly identify the operational requirements of the applicable standard before testing.
Never open the test chamber door during operation to ensure operator safety.
Test Procedure:
Using the laboratory car wash scratch resistance test as an example, the typical procedure is as follows:
Install the car wash brush rotor onto the test instrument's rotating shaft using dedicated bolts.
Adjust the vertical clearance between the peripheral edge of the wash brush rotor and the test platform to 100 mm.
Add detergent to the detergent recirculation tank per test requirements and activate the tank agitator to thoroughly mix the cleaning solution.
Secure the test component or test section onto the fixture platform.
Conduct a no-load trial run to confirm normal equipment operation.
Initiate the formal test according to the specified test parameters.
After test completion, evaluate the sample for appearance, gloss, haze, and color changes.
1. What types of coatings can you test with this equipment?
You can evaluate automotive clear coats, pigmented paints, plastic coatings, trim coatings, and industrial protective coatings.
2. How does this test simulate real car wash conditions?
The system combines brush friction, controlled water spraying, and cleaning solution circulation to replicate automated car wash processes under laboratory control.
3. Can you adjust test parameters for different standards?
Yes. You can modify test cycles, cleaning solution composition, and evaluation methods according to the applicable standard requirements.
4. How do you assess coating damage after testing?
You evaluate surface scratches, gloss reduction, haze increase, and color changes using standardized visual and instrumental methods.
5. How often should brushes be replaced?
Brush replacement depends on usage frequency and wear condition. Regular inspection ensures consistent test results.
6. Is the equipment suitable for long-duration durability testing?
Yes. The stainless steel structure and stable drive system support repeated and extended testing cycles.
Qinsun Instruments Co., LTD is a professional laboratory testing instrument manufacturer in China,Have been focusing on laboratory instrument R&D more than 30 years and have rich industry experience,Based on international testing standards,We are also the instrument supplier for BV SGS laboratory,We provide one-stop solutions for lab instruments,Free Training and Turn-Key Service,Products exported all over the world,Offer 36 month warranty and are a trustworthy partner.
Company Phone
+86-21-6420 0566
Working hours
Monday to Friday
Mobile phone:
13816217984
Email:
info@qinsun-lab.com
