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Thermoplastic Molding Q&A

  •   Do you know if Pebax bonds to polypropylene—for instance during an overmolding operation?

    Answered September 1st, 2011 by Expert: Dave Pool

    The bond between these two polymers is typically mechanical, with engineered geometries to aid in the physical interlocking of the two materials. Premold surface preparations can be explored with your resin suppliers to possibly promote a more covalent surface between the two materials. However, this step will add to the assembly time and can be time-sensitive, based on the particular pretreatment method chosen.

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