Metal Dome Membrane Switch

We are offering industrial tact metal dome membrane switch with transparent window
specifications:
1.overlay materials: the most commonly used materials are polyester(pet) and
polycarbonate(pc).
2. Rear adhesive: 3m 467mp, 3m 468mp, etc.
3. Matching color: pantone and ral color matching system.
4 .gloss, semi-gloss or matte
5. Non-tactile,poly dome or metal dome
6 .standard tolerances: +/-.010 inch (+/-0.25mm).
performance
operating voltage: 0~35 v dc.
operating current: 100 ma max.
operating contact resistance: less than 100 ohms typical
contact bounce: less than 5 milliseconds typical.
conductors: printed silver conductive inks or carbon blend.
rfi and esd shielding: available in most configurations.
mechanical
life expectancy: 1,000,000 actuations per switch position
actuation force: 6~24 ounces (170~680g), range depending on customer
specification.
switch travel: .005" to .030" (0.1~0.8mm) typical.
overall thickness: .020" to .050" (0.5~1.3mm) typical.
environmental
storage temperature: -40°c (-40°f) to +70°c (158°f).
storage altitude: sea level to 35,000 feet.
operating temperature and altitude: -30°c (-30°f) to +75°c (170°f). Can be
designed to operate in most environments.
humidity: no delamination after 24 hours at 80°c and 90%rh.