Membrane Switches

Membrane Switches

Membrane switch technology is useful in a variety of industries where exposure to hazardous conditions or environmental dangers is a concern. A membrane switch is a cost-effective, reliable option to mechanical switches since the switch is completely sealed from liquids or debris. Membrane switches are often seen in applications such as remote controls, microwaves, gas pump keypads, and small kitchen appliances.

Various parts of a membrane switch are made from PET (polyethylene terephthalate). Both the circuit itself and the top graphic layer are often made from high clarity PET film. PET is ideal for this application because of its low cost, thinness, and high tensile strength. Since many membrane switches are used outdoors, PET’s moisture resistance, temperature tolerance, chemical stability, and electrical insulation properties are also important advantages over other materials.

Piedmont Plastics supplies PET in film and sheet for a range of technologies and applications. We also supply value-added products such as adhesive and custom cut sizes. Contact your experienced Piedmont representative for information and guidance for any of your plastics needs.

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