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Hello, so i've been using a bottle of Vallejo Polyurethane Primer for the past couple months, and have had no issues... per say. I feel as if the primer is easily peeled off. I was working on my DW Chaplain for the December contest, and one of the spikes on the pack lost a bit of the paint and primer at the tip. I've been painting it on, how should the primer look and feel when it's done?
Thanks,
JATW

 JustaerinAtTheWall wrote:
Hello, so i've been using a bottle of Vallejo Polyurethane Primer for the past couple months, and have had no issues... per say. I feel as if the primer is easily peeled off. I was working on my DW Chaplain for the December contest, and one of the spikes on the pack lost a bit of the paint and primer at the tip. I've been painting it on, how should the primer look and feel when it's done?
Thanks,
JATW

I pretty much do all my priming this way (in the airbrush) now. But I'm sure to give it at least a full day to cure, usually more. Sometimes I might add some other colors with the airbrush over it with less wait time but I'll never put a brush to it. Also at least for me - I start with a super light dusting all around the model, then slowly build up until it's visible moving the model fairly fast so it doesn't stay in one spot long, then eventually I can let go a little thicker etc etc. Rattle can priming is certainly faster, but my painting-lair is so comfi and the weather sucks here so...

This has worked well for me. I use corks and wall-tac so as not to handle my models that much but regardless sometimes I'll keep touching a spot and the paint might come off a little, but the primer stays intact.

I stopped using Vallejo primer in part because it's not very tough, I found it much weaker than rattle can primers (which I still use when I'm too lazy to airbrush the primer).

I swapped to Gunze Mr Surfacer 1500 which is a lacquer based primer and thin it with Gunze Mr Color Levelling Thinner (which is a lacquer based thinner, but much gentler than the ones you might buy from a hardware store).

Being a lacquer you need to make sure you have proper ventilation and/or a respirator. But it's a lot tougher than the Vallejo PU stuff.

Vallejo primer can take a few days to cure fully, and even then it's not the toughest primer - I find it can feel a bit rubbery.