silicone keypad

General Specification:

Contact rating: 20mA,24VDC

Contact resistance: 200 ohm max

Lifetime:1,000,000 cycles per key

Operating Temperature: -20° C to +60° C

Storage Temperature: -40° C to +65° C

Actuating force: 100 ± 30 grams

Stroke: 1.4 ± 0.3mm

General speaking, the silicone rubber keypad is made by using compression molding & silk screening, it is a simple silicone rubber keypad with opaque/ transparent material and positive image printing. The 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.

The advantages of silicone keypad button:

1) Silicone button is not easy to be aged and hardened because of the stability of physical and chemical properties.

2) It is a non-toxic, tasteless and extremely soft materials, and harmless to our body. It can be repeated bending but will be difficult to break.

3) Silicone products have excellent resistance to extreme temperature (from -40C-230C).

4) Silicone materials have got the FDA certificate so that products can be contacted with food directly.

5) Silicone button is with the oil-resistant, corrosion-resistant and radiation-resistant, and also they are easy to clean.

6) Silicone button will not make impact noise, also prevent other household utensils with scratches.