Epoxy hardener HW-7209M is a modified phenolic amine epoxy resin curing agent, and has the advantages of fast drying after construction, fast hardness improvement, good scratch resistance, excellent chemical resistance, high surface gloss, good leveling, strong adhesion with substrate, good permeability. Mainly fit for oil pipe and stotage tank. 1. The physical and chemical properties Test Item Technical Data Test Method Appearance Light yellow clear liquid Visual method