Adhesive for bonding Delrin to polyester powder coated surface 1

[kjoiner]

Hello,

We have an application involving an injection molded Delrin cap being inserted into an aluminum extruded door slat that is powder coated.

This application is similar to a roll up door on a hurricane shutter.

The current attachment method is a friction fit between the delrin end cap and the extrusion. The cap fits inside the core of the extrusion. A snap tab that would project through a hole in the slat would provide good mechanical retention, but this will involve more expensive tooling and extra modifications to the slat.

Can someone recommend a good adhesive for bonding delrin to a powder coated surface. I believe the powder coat is a polyester type.

Thanks,

Kyle

 

[patprimmer]

nothing much sticks to Delrin.

DuPont will have data if you ask them.

3M seem to have the best adhesives for "difficult" plastics

Super Glue will do as good as any store bought product



















Regards

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[Demon3]

I agree with Pat. Also look at the Loctite site, they have good information about adhesives and difficult substrates. Also bear in mind that Delrin is a tradename for the polmyer "acetal" or "POM" so if you search only for Delrin you may miss the answer you are looking for.

I just did a Google search for "adhesive for acetal" and found several relevant hits...

A room-temperature-solvent adhesive for bonding acetal copolymer (Celcon) to itself, nylon, and ABS is hexafluoroacetone sesquihydrate (Allied Chemical Corp ...