Detailed Product Description
Membrane Switch(Rosh) 
1.metal dome,poly dome 
2.customized design 
3.long life time 
4.high quaity&competitive price
Metal dome Membrane switch(keypad,keyboard),metal dome membrane keypad,membrane overlay panel
 
1.Overlay Materials:The most commonly used base materials are polyester(PET) and polycarbonate(PC).
2.Rear Adhesive:3M467MP,3M468MP,etc.
3.Matching color:Pantone and RALcolor matching system.
4.Gloss,semi-gloss or matte
5.emboss tactile
6.Standard Tolerances:+/- 0.10inch(+/-0.25mm)
7.Performance
A.Electric Parameter
resistance:  <1Ω/cm
contact current:  25~100mA
voltage rating:     2~24V
voltage insulation:1500V
voltage endurance:250V(60Hz/min)
insulation resistance:500VDC\500MΩ
B.Physical Parameter
active force:       0.3~3N
lifecycle     :       >1mil.(non-tactile)
hand speed:     ≤5ms
temperature: -40~+70
humidity    :  40,48h95%
work altitude:0-4500M
C.Travel Distance
non-tactile  :0.1~0.3mm