Prometheus® White Bronze Clay

Prometheus® White Bronze Clay is an innovative metallic clay that transforms into a solid, silvery-white bronze after firing. Its formula combines ultra-fine bronze powder, water, and an organic binder , giving it a soft, moldable texture. You can use it for hand modeling, stamping, texturizing, or even turning with specialized tools.

PWB® is compatible with cubic zirconia, pre-tested natural stones, glass beads, ceramics, porcelain , and other metal clays in the Prometheus® range. It also allows for the creation of multi-colored pieces by mixing it with other types of metal clays.

Ideal for creating:

• Contemporary and durable jewelry

• Decorative pieces with metallic effect

• Statues, mini sculptures and hollow ornaments

• Multi-layered or multi-colored artistic compositions

2-step cooking process

Step 1 – Pre-cooking

• Place the dried piece on a stainless steel rack.

• Place it in a cold oven and let the temperature rise to 500 °C (932 °F) .

• Cook for 15 minutes, then remove and let cool on a heat-resistant surface.

Step 2 – Final cooking

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

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

• Cover completely with activated charcoal, close the container and place it in an oven preheated to 770°C (1420°F) .

• Once the temperature is reached, cook for 2 hours .

• Let it cool in the oven or on a heat-resistant surface.

Finishing and care

After firing, brush the piece. If there is firescale (oxidation layer) , you can soak it in a hot pickling solution to remove it before polishing it and bringing out its characteristic metallic shine.