Does anyone have experience in painting this two coat primer?....theme color-zinc series 90-97
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What are you wanting to know?
The top coat seems to always have a fuzzy look and pin holes As if it's having a chemical reaction.
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Why are you heating it at that temp for curing? The TDS allows for up to 140 degrees surface temps max during application. The recommended curing accelerator is 44-710. There's no reference to heating it to 250 degrees for curing. The TDS only states that it will tolerate up to 250 degree temps once cured by normal chemical reaction.I'm trying to coat it with an tnemec series 1074. I'm curing it out at 250degrees for 20 minutes but only waiting about 30 minutes before I top coat.
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You may be compromising the coating with those temps. It only allows for a 140 degree surface temp for application. This is a chemical cure coating, not an oven cured coating like powder coatings. That's why they recommend an accelerator. But none of these details probably answer your question about the finish you're getting. BTW, are you agitating the zinc urethane?If I put the oven at 140 I doubt the paint will get hot enough to cure
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