Thermoset Hardener No. 72

Thermoset No. 72 Hardener is used with Thermoset 300 resin to provide a semi-rigid epoxy system which cures at room temperature. It exhibits low exothermic heat rise during room temperature cure, and has excellent thermal and mechanical shock resistance. Features and Benefits: • Low Exotherm - exhibits low exothermic heat rise during room temperature cure. • Environmentally Resistant - cured system provides excellent mechanical and thermal shock resistance; retains flexibility even after severe heat aging. • UL Rated - cured system is UL 94 HB certified. Shelf Life/Storage: Shelf life is 18 months when stored at 25°C in original, unopened container.