>>10920882>I thought it was just my plastic being dirty, but it has to be the lack of actual primer. Even though you say primer is optional... it really seems to not be for my stuff.Have you considered your masking tape as a cause? Also, your spraying technique (dry coat would peel off much easier than wet one)?
Pic related was Alclad over bare plastic, nothing peeled.
I find it hard to believe that lacquer anything (paint, surfacer) can peel off properly washed PS easily (ABS can be a different story though).