If you mean the pine kitchen doors then acid catalyst paint will be the most durable BUT it is spray only and rather toxic, touch dry in minutes however.
It is also expensive to buy and you will need to hire the correct equipment.
Alternatively you can hand paint using oil based paints but the drying time is way longer (weeks till fully cured).
Yeah but its going to be touch dry and the kitchen back in full use in 6-8 hours after painting, the coating will just be a little fragile until its fully cured
There is an element of personal choice as to the finish you require but personally and probably the best paint for the job is eggshell. Whether you want to use oil based or water based is up to you to read the pro's and cons. You will also need a good primer, i'd suggest a primer/sealer to prevent any bleed from stains etc and this will also obliterate and adhere well to any previous finish that may have been applied to the units, think i'd use coverstain but have a look at the whole zinsser range
Yeah but its going to be touch dry and the kitchen back in full use in 6-8 hours after painting, the coating will just be a little fragile until its fully cured
If you do go for oil based then add some terebene to the paint to speed up the drying (oxidising) process.
I am guessing that the doors have the standard (non butt) hinges. These will need to be removed so that you can paint the whole internal face of the doors. If you number them with felt pen and the corresponding holes in the doors it will make life easier when you rehang the doors.
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