Membrane Switch a. matte or clear PET/PC,3M adhesive b. Passed ISO9001,ISO14001,RoHs c.UV resistance/flexible circuit board Membrane switcha. Overlay Materials: clear or matte polyester and polycarbonate.b. Rear Adhesive: 3M 467, 3M 468, etc.c. Color: Pantone and RAL color matching system.d. LED, Metal domes,connect,and circuit layout can be designed and made according to customer requirements. ...