PURE BRASS METAL POWDER FOR COLD CASTING
WE OFFER SUPERIOR QUALITY AT EXTRAORDINARY PRICES!
This is a fine grade of 325 mesh the correct fineness for cold casting. Brass or other metallic powder is added to the polyester resin, polyurethane resin, epoxy, gypsum cement or other binders. Small objects are cast and cured in suitable molds. To conserve metal when casting large pieces you can dust (salt) the mold surface, brush a thin coating on the surface, spread or roll the metal on or spray a thin coating. The mold is then backfilled with resin or fiberglass, iron or steel shot, sand or calcium carbonate to increase the weight to give it the heft and feel of a hot foundry ‘pour.’
You can also lighten the piece by added hollow glass beads to your backup casting mix. After curing and removal from the mold the object must be gently abraded or burnished with fine steel wool (triple 0 grade), a Scotch Brite® pad, or sandblasted to remove the microscopic film or binder from the surface of the metal particles. This exposes the pure metal beneath. The object will have the authentic look and feel of a true hot metal foundry casting. That is because the surface is now true metal. It then can be naturally oxidized or patinated to achieve an antique look.
