Longer Tool Life
A typical zinc mold can last 10 times as long as an aluminum mold because the die-casting process for zinc is much less corrosive to the mold than aluminum. If the tool cost is a large percentage of the production costs, using zinc instead of aluminum can provide significant savings.
The hot-chamber process has a much higher cycle-rate–more parts can be produced in the same amount of time, meaning less production cost. While aluminum is typically ladled into the mold, we are able to inject zinc into our molds.