PET Preform Mould Parting Line and Flash Control: A Buyer Validation Guide
Define PET preform mould parting-line and flash acceptance with drawings, cavity sampling, trial records and corrective-action evidence.
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Compare Mould Steel for Packaging Applications
A practical comparison framework for selecting cavity, core and mould-base steel around resin, corrosion risk, finish and output.
View steel guide| Steel grade | Hardness | Wear resistance | Corrosion resistance |
|---|---|---|---|
| P20 | 28–32 HRC | Good | Moderate |
| 718 | 32–36 HRC | Very good | Moderate |
| S136 | 48–52 HRC | Excellent | Excellent |
| H13 | 44–48 HRC | Very good | Good |
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Read guideFAQ
Common questions, clear answers
Quick answers to the questions packaging mould buyers ask most often.
How do I choose the right mould steel?+
Start with resin, corrosion risk, finish, output and maintenance plan — then review steel by component.
What is the typical lead time for a packaging mould?+
Confirm design readiness, complexity, cavity count, supplied components and trial scope before fixing a schedule.
How can I improve mould lifespan?+
Keep cooling clean, follow preventive maintenance intervals and retain critical spares.
Do you support custom mould designs?+
Yes. Share the drawing, resin, output target and machine details so the project can be scoped correctly.
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