Extrusion & Post
1 views
TPO melt fracture causing surface defects
Problem Phenomenon
Extrusion injection surface periodic irregular wrinkles
Cause Analysis
Die exit shear stress exceeds critical value elastic instability
Solution
Reduce extrusion speed increase die temperature increase gap
Key Takeaway
Typical rheological problem in extrusion processing
Was this helpful?
0 people found this helpful
Thank you for your feedback!