PET, PP, PS, PLA and other plastic material processing notes.
Learn why high light transmittance can coexist with haze or poor clarity, and how extrusion engineers diagnose cloudy films, blurred text and optical defects.
Plastic Transmittance vs Haze vs Clarity: Differences and Troubleshooting Guide Read More »
A practical engineering guide to diagnosing plastic yellowing caused by moisture, melt temperature, residence time, screw shear, antioxidant balance, contamination, regrind and shutdown procedures.
Plastic Turning Yellow During Extrusion or Molding? Check These 8 Causes Read More »
Learn how to identify and eliminate gel defects, fish eyes, black specks, and hard spots in extrusion, blown film, cast film, and extrusion coating through a practical four-step troubleshooting method.
Plastic Gel Defects and Fish Eyes: A Practical Troubleshooting Guide Read More »