Overmolding and Insert Molding — Process Guide：核心技术要点、操作步...
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Two-injection processes for multi-material parts:
Overmolding: Substrate + TPE/TPU layer on top
- Soft touch grips
- Seals and gaskets
- Handle grips
Insert molding: Metal/plastic insert placed in mold before injection
- Threaded inserts
- Electrical contacts
- Hinges and latches
Full guide: https://www.mfgabc.com/guides/overmolding-insert-molding.html
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