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Your location: Home > Product Show > Five finger scratch tester

Five finger scratch tester

Author: Released in:2024-04-29 Click:29

Five finger scratch tester

Five finger scratch tester

Potential characteristics:

1. Have a strong after-sales service team;

2. Able to handle various issues in a timely and fast manner, relieving customers of any worries they may have;

3. Complete spare parts to solve the problem of long lead times when ordering spare parts;

4. Keep up with industry standards updates and provide textile testing instruments that meet the new standards in a timely manner.

The five finger scratch tester is a testing equipment independently developed and produced by our company Shanghai Qianshi Precision Electromechanical Technology Co., Ltd. It uses the five finger scratch testing method to test the scratch resistance of various automotive interior and exterior materials.

Testing principle:

Fix the sample on the test bench, with one end of the scraping rod fixed with a tungsten carbide material highly polished scraping head with a diameter of 1mm or 7mm. The other end of the scraping rod is fixed with a weight. The installation position, quantity, and load of the scraping rod are determined based on the sample size and testing requirements. The scraping distance is generally set at 100mm to 200mm, and the scraping speed is 100mm/s. After the test is completed, visually inspect the scratches under bright northern sky sunlight or D65 standard light source to evaluate the material's scratch resistance.

Compliant with standards:

Ford BN 108-13, General Motors GMN 3943, Danmler ChryslerLP-463DD-18-01, GB2918, GB6151, GB8424.3, BMW GS 97034, STD1024-3113, GMW 14688, GMW 14698-A

Technical parameters:

1. Travel range: 10-200mm;

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

3. Speed buffer: 10 ± 1mm;

4. Tungsten carbide scratch fingertips (5PCS): spherical with a diameter of 1.0mm;

5. Tungsten carbide scratch fingertips (5PCS): spherical with a diameter of 7.0mm;

6. Nine weight settings (2N, 3N, 4.5N, 5N, 6N, 7N, 10N, 15N, 20N);

7. Plastic scraper: Polymethyl methacrylate (PMMA);

i. Diameter: 16mm; Thickness: 1mm;

Ii. The radius of the edge of the scratch finger is 0.5mm;

Iii. The hardness is shore D85.

8. Equipment power supply: AC220V ± 10%, 50Hz.

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