MD856 is a non-ionic waterborne epoxy curing agent used in the field of waterborne industrial anti-corrosion. It uses water as the dispersion phase, and has good compatibility with liquid epoxy resin and epoxy resin lotion. It has good water solubility, low VOC content, fast drying, fast film hardness establishment, good mechanical properties, and excellent initial wet heat resistance, acid resistance, alkali resistance, and salt spray resistance.