Recently I have tried to do some heat edge burnishing w/ a soldering iron that gets really hot. I first sand and then apply the soldering iron. Is the edge paint (acrylic?) the missing piece to give the edge a smooth plastic feel. Im asking because without the edge paint Id think it would be completely smooth (but not plastic feeling) but is a bit uneven and the two pieces aren't merged seamlessly . Is this what is expected without edge paint and will the edge paint fix the unevenness and blend