Yeah it's incredible stuff... I tried to get some to loosen/break free even up to 500f and it wouldn't let go. Also, it never goes bad... If crystallizes you can just heat it up in hot water and it will become fluid again (per system three lab tech I spoke with)
I just got a foot switch thanks to you Ken I think I'm gonna like this. Also I'm trying out some dual nozzle misters from China that work perfect with the foot switch. Will try for a video soon
I just looked it up and apparently it has a base of hydrochloric acid and FeCH added. Apparently it works great I just didn't wanna spend $60+ on a gallon until I am sure it works good haha
A lot of guys here are using diode lasers which can do both metal and synthetic material (like leather).
I purchased a 50w fiber laser that's designed for metal and it's fantastic... Got mine from lasersonly.com
It's hard to compete with even just the phone editing software unless you REALLY know what you're doing. I snapped this on my phone and edited in Google photos