Can wax speed drying of oil paint films?
There is a brand of oil paint containing sunflower oil and a little wax that I am curious about. It has been suggested that it has a quick drying time because of the wax but I’m wondering if it is due to additional driers, both surface and through driers, because of the semi-drying sunflower oil.
Any thoughts on the cause of drying or the effect of sunflower oil in the paint film?
Thank you for your help,
Richard
PS…It doesn’t use sunflower oil exclusively but also has linseed oil its a binder.
Hello Richard,
Thank you for showing the forum is still alive. I had no news for a long time and today see a handful of updates. It’s a good day.
Waxes by themselves are not helping drying of oils. If anything they will impair it and diminish the level of reticulation, implying less chemical resistance for the film.
At best they bring some flexibility, or matt finish giving perhaps a faster “touch dry” feeling. It’s not the same as thorough curing (we generally mean that when we say “drying”) Mediums using dissolved resins will do that more significantly, giving a rapid touch-dry for new glazing layers, but jeopardizing thorough curing and reticulation maximum.
Sunflower or safflower oil can be used for lighter colours for their diminished yellowing, and have lower drying properties. So it’s good they also use a bit of linseed oil to compromise reasonably the two.
The quickness to dry will depend of them, a lot of the pigments in the colours, and also of their addition of driers. Wax probably has little to do with it.
I hope it helps,
Good day to you,
Thank you, Lussh. This is what I suspected but I did not want to assume anything.
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