Primers for metal and plastic?

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Can anyone recommend any? For painting plastic model kits and the etched parts that come with some of them

I see Airfix do a primer for plastic.

All my paints are enamels so that's what will be going over them.

Many thanks!
Paul.

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Thanks Eric. My dad informs me I have a load of spray cans in their garage so I have those to check before I buying anything

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Eric Mc said:

The Halfords acryllic plastic primer range is OK. I use their primer grey, primer black and primer white - depending on the colour scheme the model will eventually end up with.

I seem to remember I bought that very primer, I'm just hoping it's still there otherwise I'll buy new

Thanks again!

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dr_gn said:

Why do you want to use primer?

Because I normally do when painting plastics or metals. The primer adheres to the plastic/metal better than paint and the paint adheres much better to primer than it does to plastic/metal, even if you clean up the metal or plastic.

In my experience anyway. That's with everything from car interiors to model planes to engine parts and general metalwork.

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dr_gn said:

Does non-etch primer (like Tamiya which I believe is just a lacquer) really adhere better to p/e metal than ordinary paint? I've never seen any real evidence to say it does. Same with plastic: I've got a drawer full of old plastic models that are 35+ years old, painted with no surface prep. with enamels, and there is no sign of the paint lifting.

Well good for you. I asked for suggestions for metal/plastic primer because I wanted to use them because in MY experience it works better.