What are the challenges of achieving fine details in injection-molded polypropylene sculptures?

Achieving fine details in injection-molded polypropylene sculptures presents several challenges due to the material's properties and manufacturing process. Polypropylene, while durable and cost-effective, has a high shrinkage rate during cooling, which can distort intricate designs. Its low viscosity also makes it difficult to fill ultra-fine molds completely, leading to incomplete or blurred features. Additionally, the material's tendency to warp under temperature variations further complicates precision work. To overcome these issues, manufacturers often rely on advanced mold designs, precise temperature control, and post-processing techniques, but these solutions can increase production costs and time. Understanding these challenges is crucial for artists and engineers aiming to create highly detailed polypropylene sculptures.