What is the key advantage of injection moulding?

The key advantage of injection moulding lies in its ability to produce parts with a very high-quality finish. This production method allows for a smooth surface texture and intricate details, resulting in components that are often free of defects and imperfections. The process involves injecting molten material into a precisely designed mould, which cools and solidifies to form the final product. This leads to consistency in the quality of the parts produced, making injection moulding an ideal choice for manufacturers aiming for high standards in aesthetics and performance.

While other options present valid points about different aspects of manufacturing, they do not capture the primary advantage associated with injection moulding as effectively as the high-quality finish does. For instance, low setup costs and suitability for small batch production are more closely associated with other manufacturing processes like 3D printing or CNC machining, which do not have the same high-volume efficiency. Similarly, flexibility in production scale is a strength of various manufacturing processes, not specifically tied to the characteristics of injection moulding.