What does doming resin mean?

A doming resin has enough viscosity and surface tension to sit neatly in a dome on top of your artwork without running down the sides. In other words, a doming resin needs to be thick enough to let you bring it right to the edge of your piece without spilling over.

Can you Dome resin in the mold?

If you think about it like a teardrop, when you drop doming resin onto a surface, it will stay in a domed shape. This thinner viscosity is what makes casting resins ideal for spreading into all the intricate parts of a mold. You could also use a casting resin in a bezel, but it is not going to have a domed finish.