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Posted

I spayed a model with Valspar white primer three days ago and it is still tacky.Should I lightly toast it to bake on the primer? Also why was my thread on Plastikote locked?I wasn't violating any rules was I?

Posted

How was the temp and humidity ? Did you spray light coats and follow the directions on can ? Was that paint suitable for plastics ?

When I sprayed Wednesday there was no rain so It wasn't humid,I think the temp was some wheres in the mid 80's with a light breeze. The coat of white was so light I can still see the things I drew on the van. I also couldn't find anything on the can about plastic,wood,metal,ect. I just thought that since Valspar owns Plastikote they would be the same thing,I think that assumption was off.Also I didn't find any other directions then the shake vigorously and spray outdoors
Posted

Was the primer you used Valspar "All Purpose" white primer?

If so, it's not meant for plastic. From the instructions: Use on ceramic, china, glass, metal, paper mache, stone, terracotta, wicker, and wood.

Notice how plastic is not mentioned?

Posted

None that I can see. I don't know why it was locked.

Me and Casey talked that over today,so now it's a dead horse. The primer says that it's a premium Enamel,I talked with a guy from Valspar on the phone for about thirty minutes and he said that I should put it in the shade with a fan on it.So it's been like that for about three hours with no improvement.
Posted

So now I'm confused. Why experiment with an unknown primer on a model? Why not experiment on a spoon, or an unusable body or part? Or better still, why not just use a known quantity like Duplicolor?

When I go to paint a 1:1 car, I wouldn't dream in a million years of using a material I wasn't EXTREMELY familiar with. Not on a model either.

Srtip it and use something that's known by everyone to work, every time.

Posted

Sounds like William is correct . Sound advise. Strip her down and redo with a different primer. Not worth your time and trouble trying to save that primer job. Consider it a learning oppertunity. Most of us have probably been there at one time or another.

Posted

Yea that's what I'm gonna do,Guess I just had a brain fart when I spayed it without knowing much about it.Anyone need a almost new 12 oz can of Valspar white primer? :D

Posted

I have had this same thing happen with different paints. In my experience paint can be uncooperative at times. Sounds to me like the paint is just taking its sweet time to cure. I found that a food dehydrator (got mine for 20 bucks at harbor freight) will cure any paint in 24 hours or less. Works great. I have also seen guys put a splatter screen for a skillet on top of a three way lamp with a cake cover over it and a thermometer in it as you don't want the temp going over 110, doing that it can cost as little as two dollars at the dollar store.

Posted (edited)

I have had this same thing happen with different paints. In my experience paint can be uncooperative at times. Sounds to me like the paint is just taking its sweet time to cure. I found that a food dehydrator (got mine for 20 bucks at harbor freight) will cure any paint in 24 hours or less. Works great. I have also seen guys put a splatter screen for a skillet on top of a three way lamp with a cake cover over it and a thermometer in it as you don't want the temp going over 110, doing that it can cost as little as two dollars at the dollar store.

As Always don't forget to read the fine print Edited by my80malibu

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