Graphic Overlay
1. Overlay Materials: The most commonly used base materials are polyester and polycarbonate.
2. Rear Adhesive: 3M 467MP, 3M 468MP, etc.
3. Standard Tolerances: +/-.010 inch.
4. Matching color: Pantone and RAL color matching system.
5. Custom touch screen overlay
6. Second surface pringting
7. Scratch resistance
8. Customised design
Performance indicators:
1. Electronic characteristics
Circuit rating: 35V (DC), 100mA, 1W
Contact resistance: 10Ω--500Ω (According the trace length and materials to comfirm)
Insulation resistance:> 100MΩ 250V DC
Contact bounce: ≤ 5ms Dielectric withstand:250VRms (50-60Hz 1min)
Life expectancy: flat type ≥ 500 million times, tactile type: ≥ 100 million times
2. Mechanical Properties Actuation force:flat type 57-284g (2-10 Oz), tactile type 170-397g (6-14 Oz) Switch stroke: flat type 0.1-0.5mm, tactile type 0.6-1.5mm
3. Environmental parameters
Operating Temperature: -40 - +80 , Storage temperature: -40 - +85
Humidity: 40 , 90% -95%, 240 hours

