POS Terminal silicone keyboard with metal dome assembly

Feature:

Each key graphics can be backlight with Uv-proofe and high anti-abrasion function as well as high pushing cycles.

---1. RCA testing(matte PU coating): Continual testing with 175gram load, above 400 cycles.

---2. Pushing times: Above 1 million pushings in Lab test.

Assemles with the metal dome array.

For the metal dome type, in regular, 2 types of metal domes for a dome array.

A. Round metal dome(better life cycle).

 Local source:Diameter, 5mm, force, 130grams,160,180,210...

 with 3 or 5 dimples, nikel/glod plated domes or stainless steell domes. 

 1 million pushings guaranteed.

B. 4-Legged metal dome(Less life cycle).

 Local source: 0.30 million cycles guaranteed.