The Role of Copper
Copper is the principal metal in this copper-tin alloy.

THE SCIENCE OF REAL KANSA
Kansa is a traditional copper-tin alloy. Our bronze is lab-tested to contain 80% copper and 20% tin.
COPPER–TIN COMPOSITION
Copper is the principal metal in this copper-tin alloy.
Tin changes the alloy’s properties, including hardness and casting behaviour.
Composition and manufacturing methods influence the final material properties.
| Material | TCC 80:20 Bronze | 85:15 Bronze | 90:10 Bronze |
|---|---|---|---|
| Traditional authenticity | Lab-tested 80:20 | Varies by composition | Varies by composition |
| Craftsmanship required | Skilled craftsmanship | Depends on process | Depends on process |
| Relative price | Higher | Lower | Lower |