1)Material: made of top grade silicone rubber, non-toxic, environmental safe

2)Hardness:30 to 70 Shore A, suggested hardness is 40 to 60 Shore A, or depending on clients requriment

3)Silk screen printing, spay coating, laser etching, back-lighted, hard/epoxy coating keypads

4)Keypad surface with transparent spraying coating, PU coating

5)Automatic painting and laser etching process

6)Half automatic potting process to add resin on each key top