Universal Finger Abrasion Tester

TheUniversal Finger Abrasion Testeris a high-precision instrument designed to simulate wear and abrasion caused by human fingers, nails, teeth, and other contact surfaces on various materials. You can replicate real-life mechanical and chemical interactions, including exposure to liquids such as sweat, hand cream, sunscreen, detergents, and toothpaste. This tester quantifies surface wear, scratches, and coating durability, providing reliable data for quality evaluation across multiple industries.

Applications

Universal Finger Abrasion Tester can simulate virtually all wear processes involving products and fingers/skin, and realistically replicate liquid environments such as human sweat, hand lotion, sunscreen, detergents, toothpaste, and other liquid media.

This device can simulate wear processes including: finger abrasion, nail scratches, tooth wear, sole abrasion, and industrial scratches. When human fingers, skin, teeth, and other media come into contact with various products, they cause wear on the material surfaces. This wear significantly impacts product quality and performance.

Standards

International Standard IEC 68-2-70 Environmental Testing Part 2: Test Methods Test Fb: Finger Abrasion

European Standard DIN EN 60068-2-70 Environmental Testing Marking and Letter Abrasion Test Caused by Finger and Hand Friction

BMW Standard BMW GS 97034 Simulating the Friction Effects of Fingers, Hands, or Other Body Parts on Materials

BMW Standard BMW GS 97045 Evaluation of Surface Material Durability for Consumer Products (e.g., Automotive Interiors, Electronics) During Daily Use

Mercedes-Benz Standard Daimler DBL 7384 Coatings for Plastic Interior Components in Vehicles

Ford Standard Ford WSS-M2P188-A1 Performance Requirements for Paints Used on Plastic Substrate Interior Components

Sony Ericsson 45/152 41-FEA 202 8139 Uen

Abrasion resistance of surface coatings on electronic devices

Simulates finger or skin contact

Volkswagen Standard VW TL 226

Requirements for paint layers on vehicle interior trim materials

DIN 53160-2

Determination of color fastness of everyday items - Part 2: Artificial sweat test

EWIMA Specification

Features

1. High-fidelity testing that realistically simulates chemical/mechanical wear processes

2. High reproducibility and repeatability

3. Standardized fully automated test procedures

4. Wide range of applications

5. Flexible device configuration, exceptional durability, and user-friendly operation

Parameters

Item	Specifications
Normal Load	1. 5. 10 N (20 N optional)
Friction Path	1–40 mm
Cycle Count	1–100.000.000 cycles
Fluid Replenishment	Cyclic
Fabric Replenishment	Cyclic
Power Supply	110V/230V
Weight	55 kg

Accessories

Related Configurations:

1. Test Heads (Optional Accessories):

Nail Scratch Resistance Test: Simulates friction and scratches caused by human fingernails on material surfaces (e.g., printing, coatings);

Nail Scratch Test “Automotive Industry Use”: Simulates industrial scratches according to various testing standards to evaluate coating quality;

Shoe Sole Abrasion Test: Tests material resistance to shoe sole abrasion based on various inspection standards;

Tooth Simulation Test: Simulates tooth abrasion resistance per testing standards;

Fingerprint Test: Evaluates affinity for fingerprint adhesion and removal characteristics.

2. Scanning Calculation System:

This system calculates material surface structure, coatings, imprints, abrasion and wear, particle size distribution, and porosity.

Specifically designed to organize and evaluate wear results, it also assesses various other surface properties.

Calculation parameters include:

Particle size distribution (count, area, size, and percentage)

Average values (including standard deviation)

Pore distribution

Height analysis of grayscale surface morphology images

Azimuthal length profiles

Abrasion and wear analysis

3. Test Cloth Selection:

Nail Scratch Resistance Test: Simulates friction and scratches from human fingernails on material surfaces (e.g., printing, coating);

Nail Scratch Test “Automotive Industry”: Simulates industrial scratches per various test standards to evaluate coating quality;

Shoe Sole Abrasion Test: Evaluates material resistance to shoe sole abrasion per various inspection standards;

Tooth Simulation Test: Simulates tooth abrasion resistance per test standards;

Fingerprint Test: Assesses affinity for fingerprint adhesion and removal characteristics.

4. Artificial Sweat:

Compliant with standards: DIN 53160-2:2001. BMW GS 97045-2. DBL 7384. VW TL 226

5. Other Standard Test Fluids:

Cleaning creams, lotions, polishing compounds, toothpaste, etc.

Equipment Options:

1. Mechanical Options

Standard Fabrics:

Human skin simulation acc.

ISO 12947-1/IEC 68-2-70

Dust Adhesion:

Material soiling simulation

Cotton contaminated with carbon/oil, etc.

Abrasion Pad:

High-intensity mechanical wear simulation

Abrasion Pad, Tape Test:

Simulation of tape-cloth friction

2. Chemical Options

Synthetic Sweat:

Synthetic sweat per DIN ISO 9022-12

Synthetic sweat per DIN EN 60068-2-70

Synthetic sweat per DIN ISO 105-E04

Synthetic sweat per DIN 53160-2

Synthetic sweat per company standards (BMW, Volkswagen, Daimler)

Hand cream/sunscreen oil:

Hand cream and sunscreen oil per customer specifications.

Test Procedures

1. Equipment Preparation

Verify the tester is properly powered and connected (110V/230V).

Ensure test heads, abrasion cloths, and liquid reservoirs are properly installed.

Confirm test parameters: load, friction path, number of cycles, and test medium (dry or liquid).

2. Sample Mounting

Secure the sample material on the fixture, ensuring flat and stable contact with the test head.

3. Test Execution

Select the test program (dry abrasion, liquid abrasion, or customized cycles).

Start the test; the system applies the defined load and friction path automatically.

Monitor the test progress via control software; record cycles, force, and abrasion results.

4. Data Analysis

Evaluate material wear, scratches, and surface degradation.

Compare results against predefined quality or industry standards.

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