... ,terminals,led ,green mask tail,3M468 back adhesive etc.Membrane switch advantages:1. Beautiful appearance, rich and bright in colo, ... corrosion product. As well it is protected against the erosion of harmful gases.5. Low cost, high lifespan membrane switches designed ... mold charges,the costs are lowest ,the life expectancy of different types of membrane switch is more than 100 million times.6.Easy to ...