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Any tips on plastic adhesives? Trying to repair headphones (lemmy.nz)

submitted 6 days ago by punksnotdead@slrpnk.net to c/diy@slrpnk.net

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Hi DIY!

My headphones of many years recently broke. My first response was to attempt to glue them back together with super glue (ethyl 2-cyanoacrylate) however that didn't seem to hold. Not even a little bit.

I then did a bit of searching and found that Sony often use ABS plastic in headphone manufacture, so presumably these are ABS. I then read super glue should work okay on ABS, however there seemed to be no bonding happening at all.

Do any of you have any tips for the best kind of glue or epoxy to bond these plastic parts back together and get the music flowing again?

I plan on wrapping the joints in thread afterwards, for additional durability. But first I need to get them bonded.

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[–] punksnotdead@slrpnk.net 8 points 6 days ago (1 children)

Great idea! I'll give that a go, thanks. Reinforcement rods, adhesive, and thread wrap around the outside should surely be enough

[–] FiniteBanjo@feddit.online 4 points 6 days ago (1 children)

Might be able to find some wire in an electrical or automotive store. 20 guage is about a millimeter or less, 12 guage is between 2 and 3 mm. Do you have calipers to take a measurement?

Wire Coat Hanger might fit, will be harder so a better reinforcement.

[–] punksnotdead@slrpnk.net 3 points 5 days ago

No calipers, but I have random bits and bobs lying around that I can just trial and error until something fits. Thanks!