Won't Write, Won't Erase? What Is Actually Wrong With the Board

A distributor calls: "Your boards write badly." Or: "The ink won't come off." After years of coating and cutting writing surfaces, we can say this plainly — the coating itself is almost never the culprit. Four causes cover nearly every complaint, and none of them lives in the steel.

1. It won't write: something is sitting on the film

Dry-erase ink needs direct contact with the hard topcoat. Anything in between breaks the contact:

• protective film or release residue not fully peeled off
• fingerprints, packaging dust, traces of machine oil
• silicone-based polish or "board restorer" sprayed on earlier

Silicone is the sneaky one: it lays down a slick film the marker cannot bite into. The fix is simple — warm water with a little mild detergent, wipe, dry, test again. And never polish a writing surface.

2. It won't write: the wrong pen

A permanent marker bonds to anything, including our film — that is its job. A dried-out budget dry-erase pen skips and beads. When testing a sample, use a fresh, brand-name dry-erase marker and keep it as your reference pen. Half of "the board is bad" reports end the moment the reference pen comes out.

3. It won't erase: the ink stayed too long

Dry-erase ink is engineered to stay erasable for days, not months. Left on a warm wall for weeks, the solvents migrate into the micro-texture of the film and set — that is the grey "ghost" nobody can wipe away. Same-day erasing and a weekly full clean keep the surface white for years.

4. It won't erase: the surface was scratched

Scouring pads, cream cleansers and chalk-paste "cleaning hacks" leave micro-scratches that trap pigment permanently. Once a surface is scratched, ghosting follows, and no cleaner can undo it.

Three rules we send with every order

1. Dry-erase markers only — erase the same day.

2. Clean with water or an alcohol-based cleaner. No abrasives, no silicone.

3. Test any new cleaner on a corner first.

Our gloss white surface (88–95 GU) is built so ink sits on top of a hard film — the writing side of the bargain. These three rules are the user's side. Want proof before you commit? We send a free A4 sample: write on it, wipe it, abuse it under your own pens.

*— Yueyang Technology, Bazhou, Hebei. Write to us — David Hu, General Manager.*