Prometheus® Jewellers Sterling White Bronze Clay

Prometheus® Sterling White Bronze Clay is a metal clay that, when fired, transforms into a solid white bronze with an appearance very similar to sterling silver . Its composition—a fine blend of micron-sized bronze powder, water, and an organic binder—provides a soft, moldable texture, ideal for creating pieces with detailed and durable finishes.

This clay can be hand-shaped, textured, rolled, rolled, or even turned on a potter's wheel . It's also compatible with cubic zirconia, pre-tested natural stones, glass beads, ceramic, porcelain , and other Prometheus® Metal Clays , allowing you to explore multi-colored creations and unique designs.

Ideal for:

• Handmade jewelry with a silver effect

• Multicolored pieces in combination with other clays

• Ornaments, sculptures, decorative figures and more

• Strong and durable custom designs

Cooking Instructions (2 steps)

Step 1 – Pre-cooking:

• Place the dried piece(s) on a stainless steel rack.

• Place them in a cold oven and raise the temperature to 500°C / 932°F .

• Cook for 15 minutes .

• Remove the piece and let it cool on a heat-resistant surface.

Step 2 – Activated charcoal cooking:

• Fill the bottom of a steel container with 3 cm of activated carbon .

• Place the pieces leaving at least 1.5 cm of separation between them .

• Cover them completely with more charcoal and close the container.

• Place the container in the oven preheated to 770 °C / 1420 °F .

• Cook for 2 hours .

• When finished, let it cool in the oven or on a heat-safe surface.

Final finish

Once fired, brush your piece to remove any residue. If firescale (oxidation layer) is present, simply soak it in a hot pickling solution and rinse with water. Then, polish it and get ready to show off your stunning creation.