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How to bond polypropylene

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How to bond polypropylene

How to bond polypropylene

PP materials bonded

What is polypropylene – PP- Polypropylene is a thermoplastic material which is challenging to bond, thanks to its low surface energy. Its use is widespread due to its versatility and low-cost.

plastic bonding
Polypropylene Lap Shears Bonded with TA4610 | The PP Stretches and the bond remains!

Permabond TA4610 forms bonds that cause the polypropylene to stretch and fail before the bond breaks.

Properties:
-Surface energy: 29 mJ/m²
-Maximum service temperature: 135°C
-Melting temperature: 160°C

How to bond polypropylene – Tips for surface preparation & bonding:

For untreated polypropylene there are several options:
a) bond untreated – select Permabond TA46XX (TA4605 & TA4610) structural acrylic products, these are developed especially for low-surface energy polyolefins.
b) prime with Permabond POP and use with cyanoacrylate adhesive only
(other adhesives are not compatible with POP).
c) flame, corona or plasma treat the surface in order to use other adhesive types.

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