Speaking about the epoxy resins, they are two-part resin. They include resins and hardening compounds. The combination of these two components creates a chemical reaction that formulates a mixture and hardens over time, offering you a transparent and glossy surface. Coming to the UV resins, or photosensitive resin, it can become hard within a few minutes using a UV light. This resin can also harden under the sun's lights. While using this, you don’t need to use any hardening compounds. But UV resin is a little costlier than epoxy resin. If you want to make jewelry, choosing UV resin can be the best option. For a more significant project, epoxy resin will work well.