Drying Conditions
Non-hygroscopic — pre-drying is generally not required.
Melt Temperature
200~250°C
Mold Temperature
20~50°C
Shrinkage
1.5~3%
Common Defects & First Checks
Warpage
HDPE: commodity, high shrinkage 1.
Sink Mark
HDPE: commodity, high shrinkage 1.
Field Notes
HDPE: commodity, high shrinkage 1.5-3.0%. Similar to PP but lower stiffness. Warpage and sink mark.
Related Resins
This data is a field-reference summary. Always verify against the resin manufacturer’s official TDS.