... Membrane switch,Membrane keypadItemsmembrane switch,keypad,membrane keypad,keypad switch,switch panel,membrane panel, membrane overlay, membrane faceplate for variety electronic industries. MaterialPET,PC. In experience we suggest that PET ... the circuit layer, it can be metal(stainless steel) domeCircuit layeravailable with LEDs ... 5,000,000 closures or moreh-2) Tactile type——1,000,000 closures or morej ...