Stress Tests

12 hour Muriatic acid test:

Acid Resistance - Bip 39 Backup
You can decide for your self but I'd say it passed with flying colors!

Fire Test:

We let this(thinner) Punchplate burn for several hours in an oak fire, hosed it off, and gave it a quick polish with 600 grit sandpaper(using a mask and goggles of course!)

Fire resistance of a Punchplate
For even more tests you can check out Jameson Lopp's blog at lopp.net!