When choosing between bronze and zinc sculptures, corrosion resistance is a critical factor, especially for outdoor installations. Bronze, an alloy primarily composed of copper and tin, naturally develops a protective patina over time. This patina acts as a barrier against further corrosion, making bronze highly durable in harsh weather conditions. Historical bronze statues, some centuries old, stand as a testament to this metal's longevity.

Zinc, on the other hand, is more susceptible to corrosion when exposed to moisture and pollutants. While zinc alloys can be treated with protective coatings, they lack the self-protecting qualities of bronze. Over time, untreated zinc sculptures may show signs of deterioration, such as pitting or white rust. However, zinc is often more affordable and lighter, making it a popular choice for indoor or temporary installations.

For artists and collectors prioritizing longevity, bronze is the superior choice. Its natural resistance to corrosion ensures that sculptures remain intact for generations. Zinc, while versatile, requires more maintenance to prevent corrosion. Ultimately, the decision depends on the intended use, budget, and desired aesthetic.