Edding 800

Industrial xylene-based marker for extreme conditions

2 episodes mention this

Episodes

#2910: The Quiet Chemistry of Xylene-Free Markers

What’s really in your permanent marker? The hidden chemical revolution happening on the hardware store shelf.

May 18
#2791: How to Pick a Marker That Actually Stays On

Why do “permanent” markers fail on plastic? The answer is polymer chemistry, not bad luck.

May 13