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Hi folks,

I'm having a problem with tin/metallic models, the black primer Citadel Chaos Black that has been applied is not holding good enough and breaking away along the edges where the model is touched and handled.

I didn't have this issues with any of my plastic models and I've painted on tin/metallic models before and don't recall having this issue back than.
All my models are cleaned before being blasted with the primer and after being cleaned they are handled with gloves and given decent amount to dry time after the primer has been applied.
After everything had plenty of time to dry and I start handling the model and apply layers of paint by brush or airbrush chips of paint will break away and I'll be looking at a shiny tin/metallic model surface again.


I've paint stripped several models, that were to damaged during play session and attempting to repaint them, but my primer isn't holding or is to fragile...


Was thinking about applying a clear varnish coating first, before applying the chaos black primer, hoping it might stick better.
I've painted and airbrushed on varnished models before and acrylic paints seems to hold good to its surface, but I'm not sure how it hold to tin/metallic surfaces.

Any pointers I would welcome, for currently, the primer not holding issues it driving me insane.

Regards,

WildCatNL

Citadel's Chaos Black is NOT primer, it's just spray paint. Get a real primer and try again.

Excuse me? The Label read Chaos Black Primer... How can it NOT be a primer, for it clearly being sold as a Primer?!?

Try washing the model(s) with warm soppy water and a toothbrush, as you might a resin model, to remove any mold release before priming / spraying. Also try varnishing with an acrylic varnish once you are done painting.

A metal primer such as you would use for painting cars is best for metal models.

I second the suggestion of washing with warm, soapy water... And add the one of brushing with a brass brush (possibly with the aid of a rotary tool). The model will look shiny, but there will be no residues and primer will adhere better.

There are a couple of options
I concur with one man noodles, try a matt varnish first.
If you have access to a airbrush Vallejo primers shrink whist drying and provide a good prime.
Auto primer the best ones are usually grey.
Or the old school way and use a brush to prime

I find citadel primer is only great on plastic, use vallejo AB primer for anything else.

Sorry, I didn't see you were in France. Over there the cans and formulation may be different. In the States, the cans read Chaos Black Spray and are NOT primer. They are simply rebranded black spray paint.

http://www.games-workshop.com/en-US/Chaos-Black-Spray-US