Betonamit non-explosive cracking agent is a non-toxic powder. When mixed with water and poured into holes 1 1/4", 1 3/8" or 1 1/2" diameter, it hardens and expands, exerting pressures of 12,000 psi. Reinforced concrete, boulders, and ledge are fractured overnight with no noise, vibration, or flyrock Betonamit is perfect for indoor and outdoor demolition projects including: Bridges Dams Machinery bases Boulders Ledge Concrete Piers Slabs 6" thick or more Limestone Granite No licenses or permits required Three-year shelf life One product for all temperatures Always wear safety goggles when using Betonamit! Additional Details ------------------------------ Product description: Betonamit non-explosive cracking agent is a non-toxic powder. When mixed with water and poured into holes 1 1/4", 1 3/8" or 1 1/2" diameter, it hardens and expands, exerting pressures of 12,000 psi. Reinforced concrete, boulders, and ledge are fractured overnight with no noise, vibration, or flyrock Betonamit is perfect for indoor and outdoor demolition projects including: Bridges Dams Machinery bases Boulders Ledge Concrete Piers Slabs 6" thick or more Limestone Granite No licenses or permits required Three-year shelf life One product for all temperatures Always wear safety goggles when using Betonamit!