Tactile Membrane Switch

We are offering tactile membrane switch with lcd window manufacturer in china.
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.