Epoxy resin belongs to the family of two-component resins, which include (resin base) and hardener. These two components must be combined in a specific proportion and according to its formulation and application, and then applied to the desired surface or mold.
There are different types of resin bases and they usually use a special type of hardener in decorative works, which is called "polyamine". Polyamine hardeners are usually colorless and can be applied in volume.