Hardman Double Bubble Orange Toughened Epoxy (High Peel Strength) 100 Packs (#04007) Toughened Epoxy, 30 minute set time excellent vibration and shock resistance, and excellent impact strength Unique double packs are clean and easy to use, with very little left-over waste 3-year shelf life means epoxy will not harden on the shelf! High bond strenght (3,300+psi) with excellent vibration and impact resistance