Overlay Materials: The most commonly used base materials are polyester and polycarbonate.
Rear Adhesive: 3M 467MP, 3M 468MP, etc.
Standard Tolerances: +/-. 010 inch (+/-0.25mm).
Matching color: Pantone and RAL color matching system.
Tail, pin and circuit layout: Subject to customers detailed requests.
To provide you membrane switches with other special requirements, such as Shielding, Windows/Lens Coating, Embossing, Embedded LEDs, UV glossy/matte/textured, etc.