Q2: How is Melt Flow Index (MFI) controlled in recycled HDPE?

A: MFI is precision-engineered via:

Primary Recycling: 0.3-0.5 g/10min (rigid packaging)

Modified Recycling: 1.0-3.0 g/10min (with antioxidants for injection molding)

*Tested per ASTM D1238 at 190°C/2.16kg*