Sometimes we may receive the goods with dirty. Where do the dirty comes into the snap domes? Then how should we deal with snap domes dirty?
Snap domes must be kept clean, as it can affect the contact. We must keep no stains, grease, burrs, crushing, stamping, scratched and so on on the surface.Dirty comes from the mold and it doesn’t clean well. In the final step, we clean the snap domes by ultrasonic, and then drying, quality testing,
visual inspection, and then packaging and storage.
We will ensure each snap dome (metal dome) is made by CMD which without the dirty, with the high quality. If the snap domes have the dirty, please send back to us, we will replace for it for you.