Dual Durometer Double Color Switch:
Dual Durometer Switch, also called double dual hardness keyboard or dual Shore A button pad, which is aim to improve keypad tactile feelings or beauty, and not to affect the button auctuation force.
As color coating possibly will effect the beauty of elastomeric silicone rubber keypads, some customers would like choose double color keypad. This kind of keypads same to take twice production or more time to finish, and also need one more mold tool. Elastomeric keypads manufactured with dual durometer keys or more different shore A button are made with the top portion or the key molded in a very hard durometer and then molded to the lower flexing portion of the key. The hard durometer silicone rubber molded key top of the custom keypads is used to simulate plastic. This is a popular feature because it allows for a plastic feel while avoiding the cost associated with plastic molds.