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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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[–] WolvenSpectre@lemmy.ca 2 points 2 days ago

The glue 'dries' clear and if you can do without your headphones for a while, the UV radiation in sunlight will do the trick, you just have to be patient. That is why most people use UV lights. Besides if you have the light, you can just put it aside until the next time you need it. I got a reeeeeal cheap one that is used for LOCA glue that they use for nail work to glue on decretive long fingernails but I used it for gluing LOCA adhesive for my cell phone screen protectors. Once you have it, take the battery out or insulate one side of it, and then you have it for the next time you need it. here is one like I used but there are a ton of cheap ones...(not an affiliate link)

https://www.aliexpress.com/item/1005008406384030.html