Material Selection for Change Format Parts: Delrin vs SS 316L

Choosing the correct materials for pharmaceutical change format parts—such as starwheels, infeed timing screws, center guides, and vial capping grippers—directly determines machine longevity, container integrity, and cGMP compliance. This engineering review compares medical-grade Delrin (POM-C) against electropolished SS 316L across wear resistance, sterilization tolerance, container scratch prevention, and washdown durability. For high-speed sterile packaging facilities […]