Hexahydrophthalic acid is primarily used in the production of high-performance resins, particularly in the synthesis of polyester and alkyd resins for coatings, adhesives, and composites. It also serves as a curing agent in epoxy resin systems. These materials are valued for their excellent thermal stability, mechanical strength, and chemical resistance, making them suitable for applications in the aerospace, electronics, and automotive industries. In electronics, it is utilized in the manufacture of insulating coatings, encapsulants, and protective films for semiconductors and circuit boards. Additionally, it is a key component in the development of advanced adhesives and corrosion-resistant coatings that require durability under extreme conditions. Its role in enhancing material properties makes it a critical specialty chemical in industries demanding high reliability and performance.