Finger Tip Abrasion Tester ISO 11998
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The Finger Tip Abrasion Tester is designed to simulate human fingertip contact on a test specimen by applying a defined load, stroke, and speed. It evaluates the abrasion resistance and durability of surfaces subjected to frequent tactile interaction, such as control panels, touch surfaces, switches, and coatings.
Application
The applied load is set using dead weights, and the scrub (abrading) distance is adjustable from 1 to 4 mm, allowing precise adaptation to different test materials and geometries. This tester supports a wide range of applications, including mechanical abrasion and chemo-mechanical testing when liquids such as artificial sweat, hydraulic oil, or cleaning solutions are applied to the test fabric.
Standard
(1) IEC 68-2-70 – Mechanical durability of materials via fingertip/hand simulation
(2) GB/T 2423 series – Environmental testing of electrical and mechanical durability
(3) IEC 60068-2-70 – Fingertip/hand friction durability testing
(4) IEC 60068-2-72 – Surface wear and operational lifetime testing of materials
(5) ISO 11998 – Coating scrub and abrasion resistance methods
(6) ISO 2813 – Surface state and gloss evaluation methods
Technical Specifications
| Feature | Specification |
|---|---|
| Test Method | Simulates fingertip contact abrasion |
| Standard Compliance | IEC 68-2-70 |
| Test Load | Variable from 1 N to 100 N (set with dead weights) |
| Stroke (Scrub Distance) | Adjustable from 1 to 4 mm |
| Test Pistons | 10 mm and 20 mm diameter silicone test pistons |
| Cycle Counter | Pre-set digital counter |
| Operation Modes | Mechanical abrasion and chemo-mechanical abrasion |
| Dimensions (Approx.) | 100 × 80 × 60 cm |
| Power Supply | 110 V / 60 Hz |
| Construction | Precision-machined components for repeatable operation |
| Control Interface | Manual adjustment and digital cycle control |
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