fingertip hand abrasion tester
Functionality of a product is considered as a matter of course, so the perception of quality is determined
primarily by the visual appearance. Damage to a surface by the human hand is one of the main reason for disturbance of the products quality perception.
The hand abrasion is a very complex chemical and mechanical combination. By touching a surface the human hand performs a mechanical strike followed by a push-slide force. The human hand consists of a visco elastic material containing a rough
and structured surface. In addition, sweat or hand cream creates a severe chemical environment.
Hand Abrasion Tester / soft-chemo-mechanical fingertip & hand abrasion tester is designed to do
real life testing of finished products or lab samples in regards of resistance to hand abrasion. The
set-up of it is exactly reproducing the complex chemo mechanical system of the human hand abrasion according to international standards.
The flexible design of the tester allows various options and delivers reproducible results.
Specifications:
International Norm: EC 68-2-70
European Norm: EN 60068-2-70
German Norm: DIN 60068-2-70
Abrasion of markings and letterings caused by
rubbing of fingers and hands.
Technical data
Normal load: 1, 5, 10 N (20N optional)
Friction path: 1 - 40mm
Number of cycles: 1 -100 million
Fluid feed: cyclic
Fabric feed: cyclic
Power supply: 110 V / 230V
Mechanical options
Standard fabric;
Simulation of human skin acc.
ISO 12947-1/IEC 68-2-70
Dirt affinity
Simulation of soiling of materials.
Cotton soiled with carbon back/oil (IEC).
Abrasion of leather
Simulation of rub resistance of leather.
Standard wool felt.
Abrasion Pads
Simulation of high-abrasive mechanical wear.
Abrastion Pad ‚Scotch test
Simulation of abrasion with ‚scotch‘ pads.
More options on request.
Chemical options
Artificial Sweat
Artificial Sweat according to ISO 105 E04
or DIN 53160-2.
Hand cream / Sun lotion
Hand cream and Sun lotion according to customer specification.
More options on request.
Applications
Automotive market:
- Printing on switches
- Coating of door handles
White goods:
- Printing
- Painted surface
Computer industry:
- Keyboard
- Mouse
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