Shenzhen Alu Rapid Prototype Precision Co., Ltd. Industry News Home News What is Prototype Plastic Injection Purpose? Design Validation: Test part geometry, fit, and aesthetics.Functional Testing: Assess mechanical properties, such as strength or flexibility, under real-world conditions.Market Testing: Produce samples for customer feedback or investor presentations.Manufacturability: Identify molding issues like shrinkage, warping, or gating problems before committing to expensive production tooling.