... 3.Adhesive 3M467,3M468 4.metal dome tactile mini membrane switches Membrane switch designMaterialPET(polyester),PC(polycarbonate)DimensionAccording to customer's ... widely used in industrial, mechanical, electronic, medical, instruments, meters, household electrical appliances, and many other areas Strength:1, Pressing life-span ... solder pins and heat seal connectors are available mini membrane switches