Multi-Finger Scratch Tester for Automotive Materials

The Multi-Function Scratcher, also known as the Multi-Finger Scratch & Mar Tester, is a professional instrument designed for evaluating the scratch resistance and surface durability of automotive interior materials. It integrates multiple industry-recognized scratch test methods, including the Five-Finger Scratch Test, the Burger Test, and the Plastic Scratch Method, making it a comprehensive solution for automotive, plastics, rubber, leather, coatings and composite material performance testing.

This instrument delivers highly repeatable test results that help manufacturers verify product quality, optimize material selection, and maintain consistent production standards.

Product Applications

The Multi-Function Scratcher is widely used for evaluating surface scratch performance in industries such as automotive interiors, plastics, rubber, leather, coated fabrics, paints, inks, and soft metals. It is suitable for product R&D, quality control, performance certification, and third-party laboratory testing.

It plays an important role in new material verification, production quality assessment, and regulatory or customer specification compliance checks. Organizations such as automotive manufacturers, testing laboratories, and quality inspection agencies all benefit from its accurate and repeatable test data.

Standards Compliance

This instrument meets multiple international automotive and industrial scratch resistance standards:

PV 3952 Plastic Interior Parts Scratch Resistance Test

Ford BN 108-03.13 Scratch Resistance Test

BMW 0180, PA-P 028 Cross-Cut Scratch Test

BMW GS 97034-9, PA 0015 Scratch Test

ADAF KEUR 00824-402 Scratch Test

GME 60401 Cross-Cut Scratch Test

GM 14829 Cross-Cut Scratch Resistance Test

Jaguar-Landrover TPJLR.52.004 Scratch Test

GM N 3943 Plastic Scratch & Five-Finger Test

LP 463DD-18-01 Five-Finger Scratch & Abrasion Test

GMW 14130 / 14688 Scratch Resistance

8350Z-SDA-9000 Scratch Test

NES M 0159 Polypropylene Interior Parts Scratch Resistance

Key Features

The Multi-Function Scratcher is engineered to deliver stable test control, precise loading, and long-term durability.

Equipped with an LCD control screen for setting load, speed, and scratch length. The user-friendly clamp design ensures secure and convenient sample mounting.

High-quality stepper motor and rail-guided transmission system provide smooth, uniform linear motion with low noise and high accuracy.

Interchangeable scratch heads enable various test methods under different loads.

Embedded control system and human-machine interface ensure automated, consistent test execution.

The scraping components are made of tungsten carbide for extended service life.

The instrument features an aluminum–stainless steel structure for lightweight construction and corrosion resistance.

Technical Parameters

Item	Specification
Test Mode	Automatic
Scraper Head Lift	Pneumatic
Test Speed	10–200 mm/s
Control Screen	Intelligent Touch Screen
Number of Scratches	Freely set
Working Station	Single station
Scratch Head Size	Interchangeable
Appearance Size	8400 mm × 5400 mm × 700 mm
Weight	95 kg
Power Supply	220V

Advantages and Limitations

Advantages:

High precision, wide test compatibility, multiple scratch methods in one instrument, stable structure, long service life, automated operations, and high repeatability.

Limitations:

Requires compressed air for pneumatic lifting, and certain complex automotive standards may require specific scratch heads or accessories.

Usage Precautions

Ensure the scratch head is installed properly before testing.

Verify the load and speed settings meet the corresponding test standard.

Make sure the pneumatic system pressure is stable.

Avoid touching the tungsten carbide scratch head to prevent accidental damage.

Regularly clean the linear guide rails and sample fixture for optimal performance.

FAQ

1. What is the Multi-Function Scratcher used for?

It is used to evaluate scratch resistance and surface durability of automotive interior materials, plastics, rubber, leather, coatings, and various composite materials.

2. Why is scratch resistance testing important?

Automotive interiors and consumer product surfaces must resist scratches during everyday use. This test helps manufacturers verify performance, enhance durability, and meet customer specifications.

3. How do I operate the instrument?

The operator mounts the sample, sets scratch load and speed on the touchscreen, selects the scratch head, and starts the automatic test. The pneumatic system lifts the head to begin and end each scratch.

4. Which industries commonly use this instrument?

Automotive manufacturers, interior parts suppliers, plastics factories, research laboratories, third-party testing agencies, and product certification bodies.

5. Can the tester run different scratch standards?

Yes. The interchangeable scratch heads and programmable test parameters allow it to meet various automotive OEM standards such as BMW, Ford, GM, and Volkswagen.

Professional Laboratory Instrument Supplier

We are a professional manufacturer of laboratory testing instruments, providing complete solutions for material performance testing, automotive interior evaluation, and surface durability analysis. With reliable quality, technical support and customization services, we help enterprises achieve accurate, efficient, and compliant testing.

2025-12-08 17:17