For Clean Rooms what is better? Fiber Laser or Cermark?

[Steve Clarkson]

I do not own a fiber laser, but I have been using Cermark for years.

In your opinion......for use with stainless steel in a clean room, what would be better.....marking a part with a fiber laser or using cermark? I remember Ferro used to tout that Cermark was used by NASA and for marking medical equipment. I can't remember if it is food safe.

I think that my CO2 laser is getting more and more obsolete, so I'm just wondering what applications are left that make it stand out.

[John Lifer]

All depend upon how it's being cleaned and how large an item it is. There are restrictions with a fiber laser and size.
And I've had cermark fail on testing in a chicken processing plant. They use some very caustic chemicals almost contantly. Etched the cermark right off in fairly short period of time.