I have been using Polycrylic to level sunken inserts for a while now. It’s never given me any issues until the Lucky Hand I’m working on now.

After using a dropper to add polycrylic to the inserts to make them level, I noticed a few of them had dried milky (never had that issue before) and with “craters” on them (also never had that issue). See the photos below.

As I inspected them, I noticed the polycrylic felt soft. When I went to sand the inserts flat, it peeled right off the inserts. See photo. This also has never happened before.

Any ideas as to what could be happening and what the best course of action is to correct this?

Thanks

Alberto

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I did use naphtha to clean the PF and inserts. Maybe I did not wait long enough for it to dry.

Maybe it’s the can. It’s a relatively new one that I’ve used in the last two EMs I restored before this one. Those had no issues.

Could it be temperature related. My workshop is in my basement and it does run cold.

Alberto

Looks like this was a curing time issue either from thickness of the clear or the temperature in my shop.

I only removed three of the milky and soft inserts. They all smelled heavily like the solvent used in the Polycrylic. The ones I let sit for an extra day are now harder and more clear.

Hopefully this was it