ISO 20566 Car Wash Lap Apparatus
Application
The laboratory car wash simulator is primarily used to assess the scratch resistance of automotive coatings. Typical applications include:
Evaluation of automotive exterior paint and clearcoat systems
Quality control of vehicle coatings in research and development laboratories
Performance testing of aftermarket protective coatings
Comparative testing of different paint formulations or surface treatments
Specific testing product: ISO 20566 Wheel Scratch Resistance Laboratory Car Wash Simulator
Standards
The simulator is designed to comply with multiple international and industry standards:
PV 3.3.3 – Scratch resistance test specification for automotive interior surfaces
ISO 20566:2020 – Paints and varnishes – Determination of scratch resistance of coating systems by laboratory car wash
MBN 10494-5 – Scratch resistance testing of automotive interior materials, Part 5
Parameters
| Item | Details |
|---|---|
| Washing Brush Diameter | 1000 ± 40 mm |
| Brush Width | 300 mm |
| Material | Ethylene |
| Brush Profile | X-type joint |
| Bristle Thickness | 0.8 ± 0.2 mm |
| Bristle Length | 440 ± 20 mm |
| Penetration Depth | 100 ± 20 mm |
| Electric Brush Rotation Speed | 127 ± 5 RPM |
| Rotation Direction | Opposite to the movement direction of the test panel holder |
| Stainless Steel Nozzle Angle | 65° |
| Flow Rate | 2.2 ± 0.2 L/min at 300 ± 50 kPa |
| Feed Speed | 5 ± 0.2 m/min |
| Movement Mode | When the brush rotates clockwise, the nozzle sprays and the test panel moves from left to right (and vice versa) |
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