One drop for 1 liter castingresin results in a nice colour.
These pigments can be mixed. Oilbased, suitable for polyester, poly-urethane, epoxy casting resins and silicones.
Not to be used with Acrystal or other waterbased resins. For Acrystal use Golden Fluid Acrylics ( see section Paints / Acrylics ).