Gazmill Posted October 25, 2016 Share Posted October 25, 2016 Hi all, I usually use Halfords aerosol primer decanted and used through my airbrush, then use a mixture of Tamiya acrylics and Vallejo model air on top. I've ran out of Halfords primer and what I'm wanting to know is, if I use some Vallejo surface primer that I have, will I be OK to use Tamiya acrylics on top or will it cause a bad reaction with Tamiya not being truly water based? Any help/advice on this would be appreciated. Thanks. ATB. Gaz Link to comment Share on other sites More sharing options...
Greenshirt Posted October 29, 2016 Share Posted October 29, 2016 I cannot speak to the primers, but I've sprayed Tamiya paints on top of Vallejo paints with no issues. Link to comment Share on other sites More sharing options...
Jusjay Posted October 29, 2016 Share Posted October 29, 2016 I can't see why it would react, so long as it's fully cured before spraying the tamiya. I also use halfords plastic primer and nothing I've used over the top (tamiya or Mr colour both with the differing thinners) have reacted with it ever. If you are concerned I'd recommend testing on a spare bit of plastic or spare kit.. Link to comment Share on other sites More sharing options...
trickyrich Posted October 29, 2016 Share Posted October 29, 2016 I've never had problems with either, I'd just give the primer a little bit extra drying time to cure completely and you'll be fine. I've found the Tamiya acrylics to be quite happy to go on anything without reacting. But as mentioned if you are a bit worried just do some test sprays. Link to comment Share on other sites More sharing options...
fayfaychu Posted November 3, 2016 Share Posted November 3, 2016 Assuming its the polyurethane primer, there should be no problem at all. Alcohol wont do much to a cured coating. Link to comment Share on other sites More sharing options...
Gazmill Posted November 3, 2016 Author Share Posted November 3, 2016 Thanks guys, I went ahead with it and all was ok, I just gave the primer an extra 24hours to cure and the Tamiya covered it nicely. Cheers for the advice. Gaz Link to comment Share on other sites More sharing options...
colin Posted November 3, 2016 Share Posted November 3, 2016 The only problem I've found with Vallejo primer is its a bit susceptible to peeling off if you have to mask over it Link to comment Share on other sites More sharing options...
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