When sourcing radius conveyor belts, you must prioritize turning radius (Rmin) and belt pitch. Ensure the belt is compatible with your existing conveyor frame by verifying the inner radius ratio (typically 1.5x to 2.2x the belt width). Material selection is critical: Polypropylene (PP) is ideal for chemical resistance, Polyethylene (PE) for low-temperature environments like freezers, and Acetal (POM) for high-strength, low-friction applications. Additionally, check the open area percentage if the process requires drainage or airflow, such as in food cooling or washing lines.