water proof membrane switch

Membrane keypad:
1.Humidity:40C,90% -95%,240 hours
2.Contact bounce:5ms
3.life:more than 500 million times
4.100% QC
 
Membrane keypad Key Specifications/Special Features:
Material: matte PC (smooth), gloss PC + matte oil, gloss PC, matte PET , gloss PET
Thickness: 0.05---1.0mm
LED windows: transparent,translucent,matte
Embossed keys: no embossed keys and domes, domes without embossed keys, embossed keys without domes, embossed keys and domes
Adhesive: 3M9448,3M9080,3M467,3M468, and no adhesive
Tail: tail with clear mask or green mask
Specialize in manufactuing membrane keypad:
Overlay+circuit+LED+metal dome or poly dome array+connector+double side tape
EL backlight+Rubber keys 
Aluminum plate+Rubber keys
Metal domes
Flat without Tactile Effect
Embossing with Tactile Effect
Embossing with Metal Dome
Membrane Switch with FPC
 
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 ≥5 million times, tactile type: ≥1 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 C- +80 C, Storage temperature: -40 C - +85 C
Humidity: 40C , 90% -95%, 240 hours