How to choose
If the oil is meant for wood only, mask the resin border and remove any excess from the epoxy.
Finishes / hybrid
Oil beautifully enhances wood, but epoxy resin is a non-absorbent substrate. In hybrid projects, the decision depends on whether you are finishing the wood, the resin, or the whole surface.
If the oil is meant for wood only, mask the resin border and remove any excess from the epoxy.
If the oil has to cover the whole surface, an adhesion and appearance test is mandatory.
For working surfaces with resin, a lacquer or coating is more often the safer choice.
Not like into wood. Resin is non-absorbent, so the oil can stay on the surface and cause tackiness or streaks.
Yes, but most often as a finish on the wood. On the epoxy part, a test is needed.
When you want a single even film across wood and resin, or when the project will be heavily used.