Specifications
Graphic overlay
1. Material: PET, PC
2. Long life expectancy
3. Dust-proof, water-proof, gas-proof
4. Good tactile feel
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: +/-0.2mm
4. Matching color: Pantone and RAL color matching system.
5. Custom touch screen overlay
6. Second surface pringting
7. Scratch resistance
8. Customised design
ElectricalMaximum Circuit Rating
35V(DC),100mA 1WContact Resistance
10-500(depending on trace length&material used)Insulation Resistance
≥100MΩ at 100VDielectric Withstand
250V Rms(50-60Hz 1 min)Contact Bounce
≤5msLife ExpectanceyFlat type≥5,000,000 times Tactile type≥1,000,000timesMechanicalActuation Force
Flat type
57 to 284g(2 to 10 OZ )
Tactile type
170 to 397g(6 to14 oz)Switch Stroke
Flat type
0.1 to 0.5mm
Tactile type
0.6 to 1.5mmEnvironmentalOperation Temperature
Flat/metal dome
-20°C to + 80°C
Poly dome
-20°C to + 55°CStorage Temperature
Flat/metal dome
-40°C to + 80°C
Poly dome
-40°C to + 60°CHumidity
40°C,90% for 240 hoursVibration
20G's max(10-200Hz , MIL-STD202 , M204 , Condition B)