Our Aluminum Granules are made of recycled Aluminum. These Aluminum Granules are great for caustic reactions as seen with caustic drain cleaner for example. We sell this metal by the pound, so if you need 10lbs, simply add a quantity of 10 to your cart. The Aluminum Granules are 2mm and smaller in size. Be sure to see our bulk discounts for certain quantity levels if you would like to save money per pound. If you are interested in making a very large order, please contact us directly for pricing and availability. All metal shipments come with a certificate of analysis. Atomic Number = 13 | Melting Point (F) = 1220.58 | Atomic Mass= 26.98 | Boiling Point (F) = 4566 | Density (g/cm3) = 2.70 |