What are the two parts that need to be mixed to create epoxy?

To create epoxy, it is essential to combine two specific components: the resin and the hardener. The resin is a viscous liquid that provides the basic structure of the epoxy material, while the hardener, often called a curing agent, initiates the chemical reaction that transforms the liquid mixture into a solid form upon curing. This reaction is exothermic, meaning it releases heat, which further helps in the curing process.

The significance of this combination lies in the fact that the resin alone is not enough to create the strong adhesive and protective properties characteristic of epoxy. The hardener is what allows the resin to harden and achieve its final properties, including strength, durability, and resistance to various environmental factors.

Other options presented do not pertain to the creation of epoxy. Water and solvent involve mixing types of substances unrelated to the epoxy formulation, whereas pigment and binder are relevant in paint formulation but not in the specific context of epoxy creation. Similarly, solvent and particulate filler relate to different material mixtures in various applications, again not involving the epoxy process directly. Thus, resin and hardener represent the fundamental components required for epoxy development, highlighting their critical roles in the material's performance attributes.