Chemical Resistant Epoxy Curing Agent DH-3239 Hardener DH-3239 forms dense, highly cross-linked networks that withstand aggressive chemicals found in industrial environments. The cured system resists dilute acids, alkalis, solvents and oils, making it a dependable choice for factory floors, warehouses and laboratories. Its low viscosity also simplifies application over large areas. Product Specifications Property Unit Value Model - DH-3239 Color - Gardner color; ≤2 Appearance