A (2) component (1.1 ratio), 100% solids, high modulus, structural epoxy paste for anchoring and concrete repair. Resin and hardener are uniformly dispensed from cartridge and mixed through mixing nozzle (included) using a standard caulk gun. Formulated for anchoring threaded rods, bolts, rebar dowels, and smooth dowels into concrete, grout filled block, and unreinforced masonry. Has exceptional strength with a high-heat deflection temperature of 134 deg. F. Excellent for filling and repairing cracks in concrete and will not come loose from any cleaned concrete surface. Will hold during expansion and contraction of concrete, for permanent concrete repair. Solvent-free, no odor, moisture-intensive. Working time 20 minutes at 75 deg. F. Bolt down/paint time as little as 4 hours. Can be used as adhesive on wood, metal (all types), glass, brick, block, rubber, concrete, stone, slate, fiberglass, tile, and more in any and all combinations. Tools/equipment may be cleaned with denatured alcohol, xylene, or aromatic solvents. Approved by ICC ES Leagcy Report ER-4996, SBCCI Report No. 2055, City of Los Angeles Research Report No. 25265, Miami Dade Product Control: No. 08-0520.10, and Florida DOT Spec 937HVozzles. 250 ml. (8.6 oz.) cartridge comes with 2 nozzles.