Shenzhen Alu Rapid Prototype Precision Co., Ltd. Industry News Home News Zamak in the Lighting Industry (Compared to Aluminum) While aluminum dominates lighting applications due to its superior thermal conductivity (essential for LED heat sinks), Zamak is preferred when:Aesthetics Are Key: Zamak’s smoother as-cast finish and plating versatility make it ideal for decorative lighting components.Cost Is a Factor: Zamak’s lower processing costs suit budget-sensitive projects.Smaller, Non-Heat-Critical Parts: Zamak is used for fittings or decorative elements where heat dissipation is less critical.