Vinyl Ester Resin (Ripoxy) is a modified epoxy resin. Ripoxy has characteristicsof epoxy resins, such as high strength, toughness and alkali-resistance; but it cures faster, has better curing properties at low-temperatures and lower viscosity than epoxy resins.

This translates to superior workability and resistance to a wider range of chemicals (resistance to acids and solvents). It has good shock absorption and adhesive properities, as well as good photocuring properties and resistance to water.

Ripoxy is use as a corrosion-resistant material, an eletronics material, and in the chemical and civil engineering fields.