Customized all kinds of color and size according to personal demands Good tactile feeling Lifespan for over 1, 000, 000 pushes Rubber keypad meeting iso/ts16949 Antibacterial material, survives under harsh working environment General specifications: Contact rating: 20ma, 24vdc Contact resistance: 200 ohms maximum Lifetime: 1, 000, 000 cycles per key Operating temperatures: -20 to 60 Storage temperatures: -40 to 65 Actuating force: 100, ±30 grams Stroke: 1.4, ±0.3mm Made by using compression molding & silk screening Simple silicone rubber keypad with opaque/transparent material and positive image printing Ink used for the graphics is a silicone based ink so that it is bonded to the base material after post curing A coating is applied to extend the life of the graphics if requested Advantages: Silicone button is not easy to be aged and hardened because of the stability of physical and chemical properties Non-toxic, tasteless and extremely soft materials and harmless to our body, can be repeated bending but will be difficult to break Silicone products have good resistance to extreme temperature (from -40 to 230) Silicone materials have got the fda certificate so that products can be contacted with food directly Silicone button is with the oil-, corrosion-resistant and radiation-resistant, and also they are easy to clean Silicone button will not make impact noise, also prevent other household utensils with scratches