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What is multi injection molding?
This process uses a mechanical or chemical bond (and oftentimes both) to permanently marry two parts together. This sidesteps assembly hassles, simplifies product design, and can improve the characteristics of many injection-molded parts.
Before embarking on any multi injection design project, several design considerations should be explored first:
- Bonding: a strong bond between the two materials is critical to multi injection molding.
- Materials: substrate and overmold materials should be physically, chemically, and thermally compatible.
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