Hey guys, I was just trying to use Tamiya's primer and had shitty results. I've used Vallejo's airbrush primer multiple times without issue but while spraying the Tamiya stuff that I had mixed well (six SS balls in the jar for a couple minutes) and in hundred degree heat outside the Tamiya primer nearly instantly gummed up and wouldn't spray. Now I'm stuck with a Mini Cooper that's covered in peach fuzz and spider-webbed primer; this was also from a new bottle that I bought today.
When the primer first started to gum up I tried thinning it with Tamiya's X20A thinner and that only seemed to make it worse. I thoroughly cleaned my airbrush, remixed my primer and ensured my PSI was correct (18 should be fine right?) and got similar results. I've had similar results the other time I used Tamiya's primer last year but I attributed that to my airbrush being lower quality; Neo by Iwata then and now an Iwata Eclipse.
I'm curious about what I'm doing wrong, or not doing at all to work with Tamiya's primer. I'm working on a project where I'll be sanding through a layer of paint so I want and need the best adhesion possible and a paint like Tamiya's that can be sanded through
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