membrane panel. As a custom membrane keyboard supplier, we also provide a membrane keypad or large area membrane keyboard, which is an electrical switch making the circuit turn on or off by changing the key pressure. Generally composed of Polyester, Lexan, Polycarbonate, adhesive, snap dome, connector, conductive inks, carbon ink, or copper flex circuit.

Moisture-proof performance: Because the membrane switch uses a good pressure-sensitive adhesive layer and the stable performance of Polyester, Lexan, Polycarbonate one of the materials together. Membrane switch can be designed to meet NEMA 4 and IP 67, some products can even reach IP68.