1. Why TPE Flashes Easily
TPE is a shear-thinning polymer with low melt viscosity under high pressure:
- Vent Depth: Venting slots must be machined between 0.012mm and 0.018mm.
- V/P Switchover: Switch to holding pressure when cavity is 95%–98% filled.
2026-01-30•6 min defect fix•VIESUNCO Materials Science Team
Shopfloor Injection Fix: 4 Tuning Tricks to Stop TPE Flash & Surface Delamination
Manual trimming of flash eats your profits. Learn optimal cavity vent depth (0.015mm), V/P switchover points, and barrel shear management to eliminate flash and peeling.
#Mold Flash#Delamination#Cavity Venting#Injection Tuning#Defect Fix
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