ISO 20566 Car Wash Lap Apparatus/Labor-Waschanlagen

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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)

Features

Accurate simulation of laboratory car wash conditions

Uniform brush and fluid application ensures consistent scratch testing

Adjustable parameters allow for precise replication of real-world testing scenarios

High repeatability for R&D, quality control, and comparative coating studies

Compliance with multiple international standards guarantees test validity

Accessories

Stainless steel spray nozzles

Test panel holders with adjustable height

Control panels for flow rate and rotation speed

Cleaning and maintenance tools

Standardized washing suspension solution

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