Prometheus® Troy Bronze Clay

Prometheus® Troy Bronze Clay (PTB®) is an innovative metal clay that, after firing, becomes a solid, pure bronze , ideal for projects requiring high dimensional accuracy . With only 5% shrinkage , it's perfect for pieces that require near-exact measurements!

Composition

• Micron-sized bronze powder

• Organic binder and water

• Malleable texture for hand modeling, laminating, texturing or turning

Material compatibility

You can use PTB® with:

• Cubic zirconia (synthetic gems)

• Pre-tested natural stones

• Glass beads

• Ceramics, porcelain

• Other Prometheus® metal clays

Creative uses

Design with PTB®:

• Detailed handcrafted jewelry

• Decorative statues and sculptures

• Hollow objects

• Designs combined with other metal clays

Each creation is a work of art in bronze!

Cooking – Carbon Method (recommended)

Estimated total shrinkage: only 5%

Step 1 – Pre-cooking

• Place the dried pieces on a stainless steel rack .

• Place the rack in a cold oven and heat to 500°C / 932°F .
  You can also use a gas or electric stove.

• Cook for 15 minutes .

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

Step 2 – Final cooking

• Add 3 cm of activated charcoal to the bottom of a steel container.

• Place the pieces at least 1.5 cm apart .

• Cover completely with charcoal, close the container .

• Place in a preheated oven at 850 °C / 1560 °F .

• When it reaches the target temperature again, cook for 90 minutes .

• Allow to cool inside the oven or on a fireproof surface.

Note: This method ensures optimal sintering and maximum strength of the bronze.

Finish

• Brush after cooking.

• Use a stripper

• Buff to desired shine.