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A method to bond polypropylene composite to metal that reaches 7MPa tensile strength

PowderBondPP by Powdertech Surface Science is delivering good results in its evaluation by bigHead Fasteners for bonding polypropylene composite to metal. These results confirm that the strength of the metal-PP bond achieved by PowderBondPP is higher than adhesive-based methods.

PowderBondPP is a bonding method, developed by Powdertech Surface Science to address the known shortcomings in current polypropylene-to-metal bonding systems. With no need for an adhesive or composite surface preparation it is a lean manufacturing process, quick and simple. 

bigHead Lean Bonding process capability offers a fast, clean and reliable way to bond fasteners onto composites and metal substrates. Bonding to thermoplastics, such as PP, is one area that the company is researching and PowderBondPP is being assessed a means of extending the company’s Lean Bonding capability to include polypropylene (PP) composite. PowderBondPP demonstrates tensile bonds strengths between 7 and 10MPa, and lap shear strengths above 15MPa.

James Grant, Director, Powdertech Surface Science said:

“In developing PowderBondPP the key criterion was strength of the bond. Yes, we were looking for a cleaner, simpler and faster method than traditional adhesive application, but none of these benefits would mean anything if the bond itself was not strong and reliable. The rigorous tests underway with the bigHead team are a valuable independent verification of PowderBondPP’s strength and reliability.”

Right: bigHead fastener surface covered in composite from the failed substrate. Left: Composite surface showing where the fastener was attached.

Companies: bigHead Bonding Fasteners, Powdertech Surface Science

Technologies: Other Processing Method

Terms: Innovations, News Worldwide

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This article has been edited by Basalt.Today
Source
This article has been written on JEC Composites Magazine
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