... ) 3.Adhesive 3M467,3M468 4.metal dome tactile mini membrane switches Membrane switch designMaterialPET(polyester),PC(polycarbonate)DimensionAccording to customer's demand ... :-40°cto +80°cLife expectancy Flat type≥5,000,000 times Tactile type≥1,000,000 timesSwitch stroke: 0.1 to 0.6mm Contact ...