Taber Shear / Scratch Tester (Scratch & Mar)

Description:

This type scratch tester made by Qinsun company is multifunctional scraping instrument.

Standards:

GB/T 2918.GB/T 6151.GB/T 8424.3.PV3952.BMW GS97034-2.BMW GS97034-9.GMN 3943-2003.FLTM BN 108-13.STD1024-3113.GMW 14698-A，GMW 14688

Application:

Scratch tester used for a variety of automotive interior materials, such as plastics, rubber, leather, fabric, coating materials, coating materials and other non-composite materials such as scratch resistance detection.

Details：

Scratch testers from Qinsunlab can be used to characterize film-substrate systems and to quantify parameters such as adhesive strength and friction force and using a variety of complementary methods. This makes them invaluable tools for determining coating adhesion, scratch resistance and mar resistance in research, development and quality control.

Scratch tester is applicable to all types of wiping performance test of automotive interior materials; test equipment integrated three domestic standards (fingers scraping method, a hundred grid method, and plastic scraping finger scraping method).

This adjustment allows the scale beam to be maintained in a level position in respect to the specimen and turntable.  Designed with an integrated bearing, the scale beam can be tilted in a rest position enabling the operator to mount or remove specimens.

Instrument Features:

1. The apparatus consists of the drive motor mechanism, scraping component, the sample holder fixing devices and other components.

2. The scraper assembly includes a bracket scratch; scraping means scrape the specified bit sets, pressurizing means (weights and weight support bar) and the like.

3. Free installation, replacement and removal of different specifications, scraping means can be implemented in a uniform way linear motion scraping under different loads.

4. The use of embedded systems, man-machine interface for automated control of the testing process, using precision servo motor, ball screw driver for the scraping speed standards under the control accuracy with a decisive role.

5. The use of tungsten carbide makes scraping means, increase the instrument pot life.

6. The use of aluminum and stainless steel, simple appearance, lightweight and corrosion resistant.

Technical Parameters:

1. The travel range: 10-200mm;

2. Speed range: 10-200mm / s;

3. Speed Buffer: 10 ± 1mm;

4. The metal scraper head diameter: 0.5mm, 0.75mm, 1mm (Erichsen318), 3mm, 5mm, 7mm;

5. The metal scraper head material: tungsten carbide;

6. Pressurized weight and scraping components total weight: 2N, 3N, 5N, 7N, 8N, 10N, 12N, 15N, 20N (optionally with option) mass error does not exceed 1%;

7. Plastic scraper means: polymethyl methacrylate (PMMA);

a. Diameter 16mm thickness of 1mm;

b. scraping means is an edge radius of 0.5mm;

c. Hardness shore D85.

8. Power: AC220V ± 10%, 50Hz.

Operation process:

Before loading For the sample, you need to adjust the Weighing bar to the appropriate height firstly according to the sample thickness. The precision cutting tool is installed on the Weighing bar and placed on the sample. After the start of the instrument, the turntable was rotated at a constant speed to ensure accurate measurement results. By changing the load on the cutting tool, you can evaluate the shear-resistant or scratch-resistant performance of the material.

The instrument's Weighing pole design allows it to level with the sample and turntable and can be raised or lowered according to the actual needs. In addition, the Weighing pole can also be lifted in the air to facilitate the operator to remove the sample. By changing the position of the sliding balancing weight, the total load on the sample can be adjusted in the range of 0-1000 g. Cutting tools can be chosen using tungsten carbide tools or a circle conical diamond head. Visually judging the test results with the randomly-equipped 10 times magnifier, the user can also use a high-precision optical microscope to observe.

Recommended similar products 
1、Automatic Scratch Tester

Conclusion

The Taber Shear / Scratch Tester delivers accurate, standardized assessment of scratch, mar, and shear resistance for automotive interior materials and coatings. Its versatile design, automated control, and compliance with multiple standards make it essential for R&D, production quality control, and product durability testing.

FAQ

(1) What is this product?

It is a scratch and mar tester for automotive interior materials, coatings, plastics, leather, and fabrics.

(2) What is this product used for?

It measures scratch, mar, and shear resistance to evaluate material surface durability.

(3) How does this product work?

A scraper moves linearly under a specified load across the sample while the turntable rotates; the surface resistance is observed and recorded.

(4) Why is this product important?

It provides reliable, repeatable data on material durability and adhesion, supporting R&D and quality control.

(5) Which industries is this product suitable for?

Automotive interior production, plastics and coatings, textile and leather manufacturing, and material testing laboratories.